97180478460 has 96 divisors (see below), whose sum is σ = 325596156480. Its totient is φ = 23921346816.

The previous prime is 97180478459. The next prime is 97180478467. The reversal of 97180478460 is 6487408179.

It is a happy number.

97180478460 is a `hidden beast` number, since 97 + 1 + 80 + 478 + 4 + 6 + 0 = 666.

It is a super-3 number, since 3×97180478460³ (a number of 34 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 97180478397 and 97180478406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97180478467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6914667 + ... + 6928706.

It is an arithmetic number, because the mean of its divisors is an integer number (3391626630).

Almost surely, 2^97180478460 is an apocalyptic number.

97180478460 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

97180478460 is an abundant number, since it is smaller than the sum of its proper divisors (228415678020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

97180478460 is a wasteful number, since it uses less digits than its factorization.

97180478460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13843404 (or 13843396 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 54.

The spelling of 97180478460 in words is "ninety-seven billion, one hundred eighty million, four hundred seventy-eight thousand, four hundred sixty".