87913135740 has 24 divisors (see below), whose sum is σ = 246156780240. Its totient is φ = 23443502848.

The previous prime is 87913135699. The next prime is 87913135753. The reversal of 87913135740 is 4753131978.

It is a self number, because there is not a number n which added to its sum of digits gives 87913135740.

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, 732609405 + ... + 732609524.

It is an arithmetic number, because the mean of its divisors is an integer number (10256532510).

Almost surely, 2^87913135740 is an apocalyptic number.

It is an amenable number.

87913135740 is an abundant number, since it is smaller than the sum of its proper divisors (158243644500).

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

87913135740 is a wasteful number, since it uses less digits than its factorization.

87913135740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1465218941 (or 1465218939 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 48.

The spelling of 87913135740 in words is "eighty-seven billion, nine hundred thirteen million, one hundred thirty-five thousand, seven hundred forty".