47764856 has 16 divisors (see below), whose sum is σ = 92647800. Its totient is φ = 23058784.

The previous prime is 47764823. The next prime is 47764909. The reversal of 47764856 is 65846774.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 47764856.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102710 + ... + 103173.

Almost surely, 2^47764856 is an apocalyptic number.

It is an amenable number.

47764856 is a deficient number, since it is larger than the sum of its proper divisors (44882944).

47764856 is a wasteful number, since it uses less digits than its factorization.

47764856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205918 (or 205914 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 47.

The square root of 47764856 is about 6911.2123393801. The cubic root of 47764856 is about 362.8296954518.

The spelling of 47764856 in words is "forty-seven million, seven hundred sixty-four thousand, eight hundred fifty-six".