99054236787 has 32 divisors (see below), whose sum is σ = 152578162944. Its totient is φ = 56492620800.

The previous prime is 99054236783. The next prime is 99054236807. The reversal of 99054236787 is 78763245099.

It is not a de Polignac number, because 99054236787 - 2² = 99054236783 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99054236787.

It is not an unprimeable number, because it can be changed into a prime (99054236783) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5481487 + ... + 5499527.

It is an arithmetic number, because the mean of its divisors is an integer number (4768067592).

Almost surely, 2^99054236787 is an apocalyptic number.

99054236787 is a deficient number, since it is larger than the sum of its proper divisors (53523926157).

99054236787 is a wasteful number, since it uses less digits than its factorization.

99054236787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27859.

The product of its (nonzero) digits is 22861440, while the sum is 60.

The spelling of 99054236787 in words is "ninety-nine billion, fifty-four million, two hundred thirty-six thousand, seven hundred eighty-seven".