2978316384732 has 72 divisors (see below), whose sum is σ = 8171478887936. Its totient is φ = 909189235584.

The previous prime is 2978316384709. The next prime is 2978316384773. The reversal of 2978316384732 is 2374836138792.

2978316384732 is a `hidden beast` number, since 2 + 9 + 78 + 31 + 63 + 8 + 473 + 2 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 2978316384732.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24995383 + ... + 25114254.

Almost surely, 2^{2978316384732} is an apocalyptic number.

It is an amenable number.

2978316384732 is an abundant number, since it is smaller than the sum of its proper divisors (5193162503204).

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

2978316384732 is a wasteful number, since it uses less digits than its factorization.

2978316384732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50109787 (or 50109782 counting only the distinct ones).

The product of its digits is 73156608, while the sum is 63.

The spelling of 2978316384732 in words is "two trillion, nine hundred seventy-eight billion, three hundred sixteen million, three hundred eighty-four thousand, seven hundred thirty-two".