87638195082 has 32 divisors (see below), whose sum is σ = 185774252544. Its totient is φ = 27466560000.

The previous prime is 87638195053. The next prime is 87638195159. The reversal of 87638195082 is 28059183678.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 332419 + ... + 534582.

It is an arithmetic number, because the mean of its divisors is an integer number (5805445392).

Almost surely, 2^87638195082 is an apocalyptic number.

87638195082 is an abundant number, since it is smaller than the sum of its proper divisors (98136057462).

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

87638195082 is a wasteful number, since it uses less digits than its factorization.

87638195082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868014.

The product of its (nonzero) digits is 5806080, while the sum is 57.

The spelling of 87638195082 in words is "eighty-seven billion, six hundred thirty-eight million, one hundred ninety-five thousand, eighty-two".