87228580158 has 32 divisors (see below), whose sum is σ = 194961780000. Its totient is φ = 28908119808.

The previous prime is 87228580111. The next prime is 87228580163. The reversal of 87228580158 is 85108582278.

87228580158 is a `hidden beast` number, since 8 + 7 + 2 + 2 + 8 + 580 + 1 + 58 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

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, 4659283 + ... + 4677966.

It is an arithmetic number, because the mean of its divisors is an integer number (6092555625).

Almost surely, 2^87228580158 is an apocalyptic number.

87228580158 is an abundant number, since it is smaller than the sum of its proper divisors (107733199842).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87228580158 is a wasteful number, since it uses less digits than its factorization.

87228580158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9337433 (or 9337427 counting only the distinct ones).

The product of its (nonzero) digits is 2867200, while the sum is 54.

The spelling of 87228580158 in words is "eighty-seven billion, two hundred twenty-eight million, five hundred eighty thousand, one hundred fifty-eight".