87657613734 has 16 divisors (see below), whose sum is σ = 175803575040. Its totient is φ = 29137813320.

The previous prime is 87657613709. The next prime is 87657613741. The reversal of 87657613734 is 43731675678.

It is a congruent number.

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, 20345482 + ... + 20349789.

It is an arithmetic number, because the mean of its divisors is an integer number (10987723440).

Almost surely, 2^87657613734 is an apocalyptic number.

87657613734 is an abundant number, since it is smaller than the sum of its proper divisors (88145961306).

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

87657613734 is a wasteful number, since it uses less digits than its factorization.

87657613734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40695635.

The product of its digits is 17781120, while the sum is 57.

The spelling of 87657613734 in words is "eighty-seven billion, six hundred fifty-seven million, six hundred thirteen thousand, seven hundred thirty-four".