97885471908 has 72 divisors (see below), whose sum is σ = 274259806464. Its totient is φ = 27065102400.

The previous prime is 97885471903. The next prime is 97885471913. The reversal of 97885471908 is 80917458879.

It is an interprime number because it is at equal distance from previous prime (97885471903) and next prime (97885471913).

It is a super-2 number, since 2×97885471908² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (97885471903) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2666803 + ... + 2703258.

Almost surely, 2^97885471908 is an apocalyptic number.

97885471908 is a gapful number since it is divisible by the number (98) formed by its first and last digit.

It is an amenable number.

97885471908 is an abundant number, since it is smaller than the sum of its proper divisors (176374334556).

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

97885471908 is a wasteful number, since it uses less digits than its factorization.

97885471908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5370113 (or 5370104 counting only the distinct ones).

The product of its (nonzero) digits is 40642560, while the sum is 66.

The spelling of 97885471908 in words is "ninety-seven billion, eight hundred eighty-five million, four hundred seventy-one thousand, nine hundred eight".