49972956777 has 8 divisors (see below), whose sum is σ = 74034010080. Its totient is φ = 33315304500.

The previous prime is 49972956749. The next prime is 49972956779. The reversal of 49972956777 is 77765927994.

49972956777 is a `hidden beast` number, since 499 + 7 + 2 + 9 + 5 + 67 + 77 = 666.

It is not a de Polignac number, because 49972956777 - 2⁸ = 49972956521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49972956779) 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, 925425099 + ... + 925425152.

It is an arithmetic number, because the mean of its divisors is an integer number (9254251260).

Almost surely, 2^49972956777 is an apocalyptic number.

It is an amenable number.

49972956777 is a deficient number, since it is larger than the sum of its proper divisors (24061053303).

49972956777 is a wasteful number, since it uses less digits than its factorization.

49972956777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1850850260 (or 1850850254 counting only the distinct ones).

The product of its digits is 420078960, while the sum is 72.

The spelling of 49972956777 in words is "forty-nine billion, nine hundred seventy-two million, nine hundred fifty-six thousand, seven hundred seventy-seven".