47777876 has 6 divisors (see below), whose sum is σ = 83611290. Its totient is φ = 23888936.

The previous prime is 47777867. The next prime is 47777881. The reversal of 47777876 is 67877774.

It can be written as a sum of positive squares in only one way, i.e., 38316100 + 9461776 = 6190^2 + 3076^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5972231 + ... + 5972238.

It is an arithmetic number, because the mean of its divisors is an integer number (13935215).

Almost surely, 2^47777876 is an apocalyptic number.

It is an amenable number.

47777876 is a deficient number, since it is larger than the sum of its proper divisors (35833414).

47777876 is a wasteful number, since it uses less digits than its factorization.

47777876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11944473 (or 11944471 counting only the distinct ones).

The product of its digits is 3226944, while the sum is 53.

The square root of 47777876 is about 6912.1542228165. The cubic root of 47777876 is about 362.8626598100.

The spelling of 47777876 in words is "forty-seven million, seven hundred seventy-seven thousand, eight hundred seventy-six".