987258864400 has 60 divisors (see below), whose sum is σ = 2372299337232. Its totient is φ = 394835297920.

The previous prime is 987258864329. The next prime is 987258864443. The reversal of 987258864400 is 4468852789.

987258864400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2136459 + ... + 2557141.

Almost surely, 2^987258864400 is an apocalyptic number.

It is an amenable number.

987258864400 is an abundant number, since it is smaller than the sum of its proper divisors (1385040472832).

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

987258864400 is a wasteful number, since it uses less digits than its factorization.

987258864400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426568 (or 426557 counting only the distinct ones).

The product of its (nonzero) digits is 30965760, while the sum is 61.

The spelling of 987258864400 in words is "nine hundred eighty-seven billion, two hundred fifty-eight million, eight hundred sixty-four thousand, four hundred".