49977387207 has 32 divisors (see below), whose sum is σ = 80810496000. Its totient is φ = 30274715520.

The previous prime is 49977387197. The next prime is 49977387227. The reversal of 49977387207 is 70278377994.

49977387207 is a `hidden beast` number, since 49 + 9 + 7 + 7 + 387 + 207 = 666.

49977387207 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 49977387207 - 2¹² = 49977383111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49977387227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 592794 + ... + 671832.

It is an arithmetic number, because the mean of its divisors is an integer number (2525328000).

Almost surely, 2^49977387207 is an apocalyptic number.

49977387207 is a deficient number, since it is larger than the sum of its proper divisors (30833108793).

49977387207 is a wasteful number, since it uses less digits than its factorization.

49977387207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81188 (or 81182 counting only the distinct ones).

The product of its (nonzero) digits is 37340352, while the sum is 63.

The spelling of 49977387207 in words is "forty-nine billion, nine hundred seventy-seven million, three hundred eighty-seven thousand, two hundred seven".