97986118386 has 16 divisors (see below), whose sum is σ = 211047024384. Its totient is φ = 30149574864.

The previous prime is 97986118379. The next prime is 97986118387. The reversal of 97986118386 is 68381168979.

It is not an unprimeable number, because it can be changed into a prime (97986118387) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 628116066 + ... + 628116221.

It is an arithmetic number, because the mean of its divisors is an integer number (13190439024).

Almost surely, 2^97986118386 is an apocalyptic number.

97986118386 is an abundant number, since it is smaller than the sum of its proper divisors (113060905998).

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

97986118386 is a wasteful number, since it uses less digits than its factorization.

97986118386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1256232305.

The product of its digits is 31352832, while the sum is 66.

The spelling of 97986118386 in words is "ninety-seven billion, nine hundred eighty-six million, one hundred eighteen thousand, three hundred eighty-six".