87140588 has 12 divisors (see below), whose sum is σ = 152701752. Its totient is φ = 43511520.

The previous prime is 87140567. The next prime is 87140653. The reversal of 87140588 is 88504178.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11270 + ... + 17357.

It is an arithmetic number, because the mean of its divisors is an integer number (12725146).

Almost surely, 2^87140588 is an apocalyptic number.

It is an amenable number.

87140588 is a deficient number, since it is larger than the sum of its proper divisors (65561164).

87140588 is a wasteful number, since it uses less digits than its factorization.

87140588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29392 (or 29390 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 41.

The square root of 87140588 is about 9334.9123188169. The cubic root of 87140588 is about 443.3433126943.

The spelling of 87140588 in words is "eighty-seven million, one hundred forty thousand, five hundred eighty-eight".