47639977784 has 24 divisors (see below), whose sum is σ = 102089166840. Its totient is φ = 20416433328.

The previous prime is 47639977771. The next prime is 47639977799. The reversal of 47639977784 is 48777993674.

47639977784 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 1618769 + ... + 1647935.

It is an arithmetic number, because the mean of its divisors is an integer number (4253715285).

Almost surely, 2^47639977784 is an apocalyptic number.

It is an amenable number.

47639977784 is an abundant number, since it is smaller than the sum of its proper divisors (54449189056).

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

47639977784 is an frugal number, since it uses more digits than its factorization.

47639977784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58347 (or 29176 counting only the distinct ones).

The product of its digits is 448084224, while the sum is 71.

The spelling of 47639977784 in words is "forty-seven billion, six hundred thirty-nine million, nine hundred seventy-seven thousand, seven hundred eighty-four".