99137926287 has 12 divisors (see below), whose sum is σ = 143235069744. Its totient is φ = 66075408000.

The previous prime is 99137926211. The next prime is 99137926297. The reversal of 99137926287 is 78262973199.

It is not a de Polignac number, because 99137926287 - 2⁸ = 99137926031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99137926297) 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, 1340563 + ... + 1412580.

It is an arithmetic number, because the mean of its divisors is an integer number (11936255812).

Almost surely, 2^99137926287 is an apocalyptic number.

99137926287 is a deficient number, since it is larger than the sum of its proper divisors (44097143457).

99137926287 is a wasteful number, since it uses less digits than its factorization.

99137926287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2757150 (or 2757147 counting only the distinct ones).

The product of its digits is 20575296, while the sum is 63.

The spelling of 99137926287 in words is "ninety-nine billion, one hundred thirty-seven million, nine hundred twenty-six thousand, two hundred eighty-seven".