47783947456 has 56 divisors (see below), whose sum is σ = 110887377920. Its totient is φ = 20002574592.

The previous prime is 47783947399. The next prime is 47783947489. The reversal of 47783947456 is 65474938774.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1220976 + ... + 1259503.

Almost surely, 2^47783947456 is an apocalyptic number.

It is an amenable number.

47783947456 is an abundant number, since it is smaller than the sum of its proper divisors (63103430464).

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

47783947456 is a wasteful number, since it uses less digits than its factorization.

47783947456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2480541 (or 2480531 counting only the distinct ones).

The product of its digits is 142248960, while the sum is 64.

The spelling of 47783947456 in words is "forty-seven billion, seven hundred eighty-three million, nine hundred forty-seven thousand, four hundred fifty-six".