97267815900 has 72 divisors (see below), whose sum is σ = 312698024240. Its totient is φ = 25938083520.

The previous prime is 97267815829. The next prime is 97267815919. The reversal of 97267815900 is 951876279.

It is a super-2 number, since 2×97267815900² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18009859 + ... + 18015258.

Almost surely, 2^97267815900 is an apocalyptic number.

97267815900 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

97267815900 is an abundant number, since it is smaller than the sum of its proper divisors (215430208340).

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

97267815900 is a wasteful number, since it uses less digits than its factorization.

97267815900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36025140 (or 36025127 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 54.

The spelling of 97267815900 in words is "ninety-seven billion, two hundred sixty-seven million, eight hundred fifteen thousand, nine hundred".