87697389087099 has 24 divisors (see below), whose sum is σ = 138267591304752. Its totient is φ = 53120022750720.

The previous prime is 87697389087053. The next prime is 87697389087127. The reversal of 87697389087099 is 99078098379678.

87697389087099 is a `hidden beast` number, since 8 + 7 + 69 + 7 + 389 + 0 + 87 + 0 + 99 = 666.

It is not a de Polignac number, because 87697389087099 - 2²³ = 87697380698491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87697389087299) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 249073434 + ... + 249425279.

It is an arithmetic number, because the mean of its divisors is an integer number (5761149637698).

Almost surely, 2^{87697389087099} is an apocalyptic number.

87697389087099 is a deficient number, since it is larger than the sum of its proper divisors (50570202217653).

87697389087099 is a wasteful number, since it uses less digits than its factorization.

87697389087099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498500507 (or 498500504 counting only the distinct ones).

The product of its (nonzero) digits is 20739898368, while the sum is 90.

The spelling of 87697389087099 in words is "eighty-seven trillion, six hundred ninety-seven billion, three hundred eighty-nine million, eighty-seven thousand, ninety-nine".