49877864 has 32 divisors (see below), whose sum is σ = 99782280. Its totient is φ = 23291904.

The previous prime is 49877851. The next prime is 49877873. The reversal of 49877864 is 46877894.

49877864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 37332100 + 12545764 = 6110^2 + 3542^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17294 + ... + 19970.

Almost surely, 2^49877864 is an apocalyptic number.

It is an amenable number.

49877864 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

49877864 is a wasteful number, since it uses less digits than its factorization.

49877864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2837 (or 2833 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 53.

The square root of 49877864 is about 7062.4262120039. The cubic root of 49877864 is about 368.1029367049.

The spelling of 49877864 in words is "forty-nine million, eight hundred seventy-seven thousand, eight hundred sixty-four".