97157677708 has 48 divisors (see below), whose sum is σ = 209931507520. Its totient is φ = 38313160704.

The previous prime is 97157677567. The next prime is 97157677723. The reversal of 97157677708 is 80777675179.

It is a super-2 number, since 2×97157677708² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 97157677708.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 312453 + ... + 540316.

Almost surely, 2^97157677708 is an apocalyptic number.

It is an amenable number.

97157677708 is an abundant number, since it is smaller than the sum of its proper divisors (112773829812).

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

97157677708 is a wasteful number, since it uses less digits than its factorization.

97157677708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 853106 (or 853104 counting only the distinct ones).

The product of its (nonzero) digits is 36303120, while the sum is 64.

The spelling of 97157677708 in words is "ninety-seven billion, one hundred fifty-seven million, six hundred seventy-seven thousand, seven hundred eight".