99610072756 has 12 divisors (see below), whose sum is σ = 175472049760. Its totient is φ = 49475201400.

The previous prime is 99610072747. The next prime is 99610072759. The reversal of 99610072756 is 65727001699.

It is a happy number.

It is a super-2 number, since 2×99610072756² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99610072759) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82458066 + ... + 82459273.

Almost surely, 2^99610072756 is an apocalyptic number.

It is an amenable number.

99610072756 is a deficient number, since it is larger than the sum of its proper divisors (75861977004).

99610072756 is a wasteful number, since it uses less digits than its factorization.

99610072756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164917494 (or 164917492 counting only the distinct ones).

The product of its (nonzero) digits is 1428840, while the sum is 52.

The spelling of 99610072756 in words is "ninety-nine billion, six hundred ten million, seventy-two thousand, seven hundred fifty-six".