2977428056 has 32 divisors (see below), whose sum is σ = 5703184080. Its totient is φ = 1456828800.

The previous prime is 2977428053. The next prime is 2977428109. The reversal of 2977428056 is 6508247792.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2977427995 and 2977428013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2977428053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80651 + ... + 111621.

Almost surely, 2^2977428056 is an apocalyptic number.

It is an amenable number.

2977428056 is a deficient number, since it is larger than the sum of its proper divisors (2725756024).

2977428056 is a wasteful number, since it uses less digits than its factorization.

2977428056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31235 (or 31231 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 50.

The square root of 2977428056 is about 54565.8139864146. The cubic root of 2977428056 is about 1438.6233074507.

The spelling of 2977428056 in words is "two billion, nine hundred seventy-seven million, four hundred twenty-eight thousand, fifty-six".