47877876 has 18 divisors (see below), whose sum is σ = 121024722. Its totient is φ = 15959280.

The previous prime is 47877859. The next prime is 47877887. The reversal of 47877876 is 67877874.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 26255376 + 21622500 = 5124^2 + 4650^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 664935 + ... + 665006.

Almost surely, 2^47877876 is an apocalyptic number.

It is an amenable number.

47877876 is an abundant number, since it is smaller than the sum of its proper divisors (73146846).

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

47877876 is a wasteful number, since it uses less digits than its factorization.

47877876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1329951 (or 1329946 counting only the distinct ones).

The product of its digits is 3687936, while the sum is 54.

The square root of 47877876 is about 6919.3840766357. The cubic root of 47877876 is about 363.1156428673.

The spelling of 47877876 in words is "forty-seven million, eight hundred seventy-seven thousand, eight hundred seventy-six".