87987968001 has 12 divisors (see below), whose sum is σ = 127154656512. Its totient is φ = 58630526136.

The previous prime is 87987967979. The next prime is 87987968039. The reversal of 87987968001 is 10086978978.

It is not a de Polignac number, because 87987968001 - 2⁶ = 87987967937 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 87987968001.

It is not an unprimeable number, because it can be changed into a prime (87987968401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2323441 + ... + 2361006.

It is an arithmetic number, because the mean of its divisors is an integer number (10596221376).

Almost surely, 2^87987968001 is an apocalyptic number.

It is an amenable number.

87987968001 is a deficient number, since it is larger than the sum of its proper divisors (39166688511).

87987968001 is a wasteful number, since it uses less digits than its factorization.

87987968001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4686540 (or 4686537 counting only the distinct ones).

The product of its (nonzero) digits is 12192768, while the sum is 63.

The spelling of 87987968001 in words is "eighty-seven billion, nine hundred eighty-seven million, nine hundred sixty-eight thousand, one".