87579258 has 16 divisors (see below), whose sum is σ = 188632416. Its totient is φ = 26947440.

The previous prime is 87579253. The next prime is 87579277. The reversal of 87579258 is 85297578.

It is a self number, because there is not a number n which added to its sum of digits gives 87579258.

It is not an unprimeable number, because it can be changed into a prime (87579253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 561328 + ... + 561483.

It is an arithmetic number, because the mean of its divisors is an integer number (11789526).

Almost surely, 2^87579258 is an apocalyptic number.

87579258 is an abundant number, since it is smaller than the sum of its proper divisors (101053158).

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

87579258 is a wasteful number, since it uses less digits than its factorization.

87579258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122829.

The product of its digits is 1411200, while the sum is 51.

The square root of 87579258 is about 9358.3790263058. The cubic root of 87579258 is about 444.0860051719.

The spelling of 87579258 in words is "eighty-seven million, five hundred seventy-nine thousand, two hundred fifty-eight".