97012402650 has 96 divisors (see below), whose sum is σ = 278945896320. Its totient is φ = 24745184640.

The previous prime is 97012402639. The next prime is 97012402681. The reversal of 97012402650 is 5620421079.

It is a super-2 number, since 2×97012402650² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1531147 + ... + 1593246.

It is an arithmetic number, because the mean of its divisors is an integer number (2905686420).

Almost surely, 2^97012402650 is an apocalyptic number.

97012402650 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

97012402650 is an abundant number, since it is smaller than the sum of its proper divisors (181933493670).

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

97012402650 is a wasteful number, since it uses less digits than its factorization.

97012402650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3124437 (or 3124426 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The spelling of 97012402650 in words is "ninety-seven billion, twelve million, four hundred two thousand, six hundred fifty".