97447880160 has 144 divisors (see below), whose sum is σ = 334212933600. Its totient is φ = 25855441920.

The previous prime is 97447880147. The next prime is 97447880177. The reversal of 97447880160 is 6108874479.

It is a happy number.

97447880160 is a `hidden beast` number, since 9 + 7 + 4 + 478 + 8 + 0 + 160 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

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 junction number, because it is equal to n+sod(n) for n = 97447880097 and 97447880106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 116530 + ... + 456590.

It is an arithmetic number, because the mean of its divisors is an integer number (2320923150).

Almost surely, 2^97447880160 is an apocalyptic number.

97447880160 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97447880160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167106466800).

97447880160 is an abundant number, since it is smaller than the sum of its proper divisors (236765053440).

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

97447880160 is a wasteful number, since it uses less digits than its factorization.

97447880160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340281 (or 340270 counting only the distinct ones).

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

The spelling of 97447880160 in words is "ninety-seven billion, four hundred forty-seven million, eight hundred eighty thousand, one hundred sixty".