49776928872 has 64 divisors (see below), whose sum is σ = 135801005760. Its totient is φ = 15078835200.

The previous prime is 49776928849. The next prime is 49776928913. The reversal of 49776928872 is 27882967794.

It is a junction number, because it is equal to n+sod(n) for n = 49776928797 and 49776928806.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 793738 + ... + 854150.

It is an arithmetic number, because the mean of its divisors is an integer number (2121890715).

Almost surely, 2^49776928872 is an apocalyptic number.

It is an amenable number.

49776928872 is an abundant number, since it is smaller than the sum of its proper divisors (86024076888).

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

49776928872 is a wasteful number, since it uses less digits than its factorization.

49776928872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63554 (or 63550 counting only the distinct ones).

The product of its digits is 170698752, while the sum is 69.

The spelling of 49776928872 in words is "forty-nine billion, seven hundred seventy-six million, nine hundred twenty-eight thousand, eight hundred seventy-two".