99764062272 has 84 divisors (see below), whose sum is σ = 326806494976. Its totient is φ = 28504016640.

The previous prime is 99764062243. The next prime is 99764062273. The reversal of 99764062272 is 27226046799.

99764062272 is a `hidden beast` number, since 9 + 9 + 7 + 6 + 4 + 0 + 622 + 7 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (84).

It is a super-2 number, since 2×99764062272² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (99764062273) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12367504 + ... + 12375567.

Almost surely, 2^99764062272 is an apocalyptic number.

It is an amenable number.

99764062272 is an abundant number, since it is smaller than the sum of its proper divisors (227042432704).

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

99764062272 is a wasteful number, since it uses less digits than its factorization.

99764062272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24743096 (or 24743083 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 54.

The spelling of 99764062272 in words is "ninety-nine billion, seven hundred sixty-four million, sixty-two thousand, two hundred seventy-two".