97986118986 has 48 divisors (see below), whose sum is σ = 253297457280. Its totient is φ = 27996033240.

The previous prime is 97986118963. The next prime is 97986118987. The reversal of 97986118986 is 68981168979.

It is not an unprimeable number, because it can be changed into a prime (97986118987) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 18513250 + ... + 18518541.

It is an arithmetic number, because the mean of its divisors is an integer number (5277030360).

Almost surely, 2^97986118986 is an apocalyptic number.

97986118986 is an abundant number, since it is smaller than the sum of its proper divisors (155311338294).

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

97986118986 is a wasteful number, since it uses less digits than its factorization.

97986118986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37031816 (or 37031803 counting only the distinct ones).

The product of its digits is 94058496, while the sum is 72.

The spelling of 97986118986 in words is "ninety-seven billion, nine hundred eighty-six million, one hundred eighteen thousand, nine hundred eighty-six".