97986118860 has 144 divisors (see below), whose sum is σ = 340217946432. Its totient is φ = 22361702400.

The previous prime is 97986118859. The next prime is 97986118883. The reversal of 97986118860 is 6881168979.

97986118860 is a `hidden beast` number, since 9 + 7 + 9 + 8 + 611 + 8 + 8 + 6 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 747000 + ... + 868320.

It is an arithmetic number, because the mean of its divisors is an integer number (2362624628).

Almost surely, 2^97986118860 is an apocalyptic number.

97986118860 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 97986118860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170108973216).

97986118860 is an abundant number, since it is smaller than the sum of its proper divisors (242231827572).

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

97986118860 is a wasteful number, since it uses less digits than its factorization.

97986118860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121984 (or 121979 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 63.

The spelling of 97986118860 in words is "ninety-seven billion, nine hundred eighty-six million, one hundred eighteen thousand, eight hundred sixty".