99265189788 has 18 divisors (see below), whose sum is σ = 250920340944. Its totient is φ = 33088396584.

The previous prime is 99265189783. The next prime is 99265189811. The reversal of 99265189788 is 88798156299.

99265189788 is a `hidden beast` number, since 9 + 9 + 26 + 518 + 9 + 7 + 88 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99265189783) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1378683156 + ... + 1378683227.

Almost surely, 2^99265189788 is an apocalyptic number.

It is an amenable number.

99265189788 is an abundant number, since it is smaller than the sum of its proper divisors (151655151156).

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

99265189788 is a wasteful number, since it uses less digits than its factorization.

99265189788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2757366393 (or 2757366388 counting only the distinct ones).

The product of its digits is 156764160, while the sum is 72.

The spelling of 99265189788 in words is "ninety-nine billion, two hundred sixty-five million, one hundred eighty-nine thousand, seven hundred eighty-eight".