87959992980 has 48 divisors (see below), whose sum is σ = 246338636544. Its totient is φ = 23451173760.

The previous prime is 87959992949. The next prime is 87959993021. The reversal of 87959992980 is 8929995978.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148290 + ... + 444870.

It is an arithmetic number, because the mean of its divisors is an integer number (5132054928).

Almost surely, 2^87959992980 is an apocalyptic number.

It is a pronic number, being equal to 296580×296581.

It is an amenable number.

87959992980 is an abundant number, since it is smaller than the sum of its proper divisors (158378643564).

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

87959992980 is a wasteful number, since it uses less digits than its factorization.

87959992980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301536 (or 301534 counting only the distinct ones).

The product of its (nonzero) digits is 264539520, while the sum is 75.

The spelling of 87959992980 in words is "eighty-seven billion, nine hundred fifty-nine million, nine hundred ninety-two thousand, nine hundred eighty".