99902109696 has 96 divisors (see below), whose sum is σ = 282007973520. Its totient is φ = 31341805568.

The previous prime is 99902109691. The next prime is 99902109719. The reversal of 99902109696 is 69690120999.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99902109691) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 373791 + ... + 582686.

Almost surely, 2^99902109696 is an apocalyptic number.

99902109696 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

99902109696 is an abundant number, since it is smaller than the sum of its proper divisors (182105863824).

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

99902109696 is a wasteful number, since it uses less digits than its factorization.

99902109696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 956519 (or 956499 counting only the distinct ones).

The product of its (nonzero) digits is 4251528, while the sum is 60.

The spelling of 99902109696 in words is "ninety-nine billion, nine hundred two million, one hundred nine thousand, six hundred ninety-six".