99870877315 has 16 divisors (see below), whose sum is σ = 130775293440. Its totient is φ = 72613789920.

The previous prime is 99870877291. The next prime is 99870877331. The reversal of 99870877315 is 51377807899.

It is not a de Polignac number, because 99870877315 - 2⁵ = 99870877283 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37179 + ... + 448468.

It is an arithmetic number, because the mean of its divisors is an integer number (8173455840).

Almost surely, 2^99870877315 is an apocalyptic number.

99870877315 is a deficient number, since it is larger than the sum of its proper divisors (30904416125).

99870877315 is a wasteful number, since it uses less digits than its factorization.

99870877315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489402.

The product of its (nonzero) digits is 26671680, while the sum is 64.

The spelling of 99870877315 in words is "ninety-nine billion, eight hundred seventy million, eight hundred seventy-seven thousand, three hundred fifteen".