99277091956 has 24 divisors (see below), whose sum is σ = 198578796416. Its totient is φ = 42542051040.

The previous prime is 99277091933. The next prime is 99277091989. The reversal of 99277091956 is 65919077299.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14545 + ... + 445831.

Almost surely, 2^99277091956 is an apocalyptic number.

It is an amenable number.

99277091956 is an abundant number, since it is smaller than the sum of its proper divisors (99301704460).

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

99277091956 is a wasteful number, since it uses less digits than its factorization.

99277091956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439519 (or 439517 counting only the distinct ones).

The product of its (nonzero) digits is 19289340, while the sum is 64.

The spelling of 99277091956 in words is "ninety-nine billion, two hundred seventy-seven million, ninety-one thousand, nine hundred fifty-six".