9978337958832 has 60 divisors (see below), whose sum is σ = 28342285830040. Its totient is φ = 3276469177344.

The previous prime is 9978337958803. The next prime is 9978337958843. The reversal of 9978337958832 is 2388597338799.

9978337958832 is a `hidden beast` number, since 9 + 97 + 8 + 337 + 95 + 88 + 32 = 666.

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, 517109857 + ... + 517129152.

Almost surely, 2^{9978337958832} is an apocalyptic number.

It is an amenable number.

9978337958832 is an abundant number, since it is smaller than the sum of its proper divisors (18363947871208).

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

9978337958832 is a wasteful number, since it uses less digits than its factorization.

9978337958832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1034239090 (or 1034239081 counting only the distinct ones).

The product of its digits is 4938071040, while the sum is 81.

The spelling of 9978337958832 in words is "nine trillion, nine hundred seventy-eight billion, three hundred thirty-seven million, nine hundred fifty-eight thousand, eight hundred thirty-two".