87372863368155 has 24 divisors (see below), whose sum is σ = 151570128404448. Its totient is φ = 46560758340096.

The previous prime is 87372863368129. The next prime is 87372863368157. The reversal of 87372863368155 is 55186336827378.

87372863368155 is a `hidden beast` number, since 8 + 7 + 3 + 7 + 286 + 336 + 8 + 1 + 5 + 5 = 666.

It is not a de Polignac number, because 87372863368155 - 2⁷ = 87372863368027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87372863368157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 793738582 + ... + 793848651.

It is an arithmetic number, because the mean of its divisors is an integer number (6315422016852).

Almost surely, 2^{87372863368155} is an apocalyptic number.

87372863368155 is a deficient number, since it is larger than the sum of its proper divisors (64197265036293).

87372863368155 is a wasteful number, since it uses less digits than its factorization.

87372863368155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1587588467 (or 1587588464 counting only the distinct ones).

The product of its digits is 1219276800, while the sum is 72.

The spelling of 87372863368155 in words is "eighty-seven trillion, three hundred seventy-two billion, eight hundred sixty-three million, three hundred sixty-eight thousand, one hundred fifty-five".