87365566556378 has 16 divisors (see below), whose sum is σ = 143393745065760. Its totient is φ = 39591646472400.

The previous prime is 87365566556327. The next prime is 87365566556381.

87365566556378 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5998727033 + ... + 5998741596.

It is an arithmetic number, because the mean of its divisors is an integer number (8962109066610).

Almost surely, 2^{87365566556378} is an apocalyptic number.

87365566556378 is a deficient number, since it is larger than the sum of its proper divisors (56028178509382).

87365566556378 is a wasteful number, since it uses less digits than its factorization.

87365566556378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11997468973.

The product of its digits is 22861440000, while the sum is 80.

The spelling of 87365566556378 in words is "eighty-seven trillion, three hundred sixty-five billion, five hundred sixty-six million, five hundred fifty-six thousand, three hundred seventy-eight".