97628691624 has 16 divisors (see below), whose sum is σ = 244071729120. Its totient is φ = 32542897200.

The previous prime is 97628691593. The next prime is 97628691637. The reversal of 97628691624 is 42619682679.

It is a super-2 number, since 2×97628691624² (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 3 ways as a sum of consecutive naturals, for example, 2033931052 + ... + 2033931099.

It is an arithmetic number, because the mean of its divisors is an integer number (15254483070).

Almost surely, 2^97628691624 is an apocalyptic number.

It is an amenable number.

97628691624 is an abundant number, since it is smaller than the sum of its proper divisors (146443037496).

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

97628691624 is a wasteful number, since it uses less digits than its factorization.

97628691624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4067862160 (or 4067862156 counting only the distinct ones).

The product of its digits is 15676416, while the sum is 60.

The spelling of 97628691624 in words is "ninety-seven billion, six hundred twenty-eight million, six hundred ninety-one thousand, six hundred twenty-four".