47777434760864 has 24 divisors (see below), whose sum is σ = 95603821815348. Its totient is φ = 23497099061760.

The previous prime is 47777434760857. The next prime is 47777434760917. The reversal of 47777434760864 is 46806743477774.

It can be written as a sum of positive squares in 2 ways, for example, as 45307168723600 + 2470266037264 = 6731060^2 + 1571708^2 .

It is a junction number, because it is equal to n+sod(n) for n = 47777434760791 and 47777434760800.

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, 12238070477 + ... + 12238074380.

Almost surely, 2^{47777434760864} is an apocalyptic number.

It is an amenable number.

47777434760864 is an abundant number, since it is smaller than the sum of its proper divisors (47826387054484).

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

47777434760864 is a wasteful number, since it uses less digits than its factorization.

47777434760864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24476144928 (or 24476144920 counting only the distinct ones).

The product of its (nonzero) digits is 3717439488, while the sum is 74.

The spelling of 47777434760864 in words is "forty-seven trillion, seven hundred seventy-seven billion, four hundred thirty-four million, seven hundred sixty thousand, eight hundred sixty-four".