47638218854 has 32 divisors (see below), whose sum is σ = 74276818560. Its totient is φ = 22902111232.

The previous prime is 47638218763. The next prime is 47638218869. The reversal of 47638218854 is 45881283674.

47638218854 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 47638218854.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1043699 + ... + 1088385.

It is an arithmetic number, because the mean of its divisors is an integer number (2321150580).

Almost surely, 2^47638218854 is an apocalyptic number.

47638218854 is a deficient number, since it is larger than the sum of its proper divisors (26638599706).

47638218854 is a wasteful number, since it uses less digits than its factorization.

47638218854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44944.

The product of its digits is 10321920, while the sum is 56.

The spelling of 47638218854 in words is "forty-seven billion, six hundred thirty-eight million, two hundred eighteen thousand, eight hundred fifty-four".