48872732391 has 24 divisors (see below), whose sum is σ = 80686829184. Its totient is φ = 27924495120.

The previous prime is 48872732371. The next prime is 48872732443. The reversal of 48872732391 is 19323727884.

48872732391 is a `hidden beast` number, since 488 + 7 + 2 + 73 + 2 + 3 + 91 = 666.

It is not a de Polignac number, because 48872732391 - 2⁹ = 48872731879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48872732371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 714936 + ... + 780306.

It is an arithmetic number, because the mean of its divisors is an integer number (3361951216).

Almost surely, 2^48872732391 is an apocalyptic number.

48872732391 is a deficient number, since it is larger than the sum of its proper divisors (31814096793).

48872732391 is a wasteful number, since it uses less digits than its factorization.

48872732391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77251 (or 77248 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 54.

The spelling of 48872732391 in words is "forty-eight billion, eight hundred seventy-two million, seven hundred thirty-two thousand, three hundred ninety-one".