47817638793 has 32 divisors (see below), whose sum is σ = 73487500800. Its totient is φ = 30707164800.

The previous prime is 47817638723. The next prime is 47817638797. The reversal of 47817638793 is 39783671874.

47817638793 is a `hidden beast` number, since 478 + 1 + 76 + 3 + 8 + 7 + 93 = 666.

It is not a de Polignac number, because 47817638793 - 2⁸ = 47817638537 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47817638793.

It is not an unprimeable number, because it can be changed into a prime (47817638797) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 185938 + ... + 360843.

It is an arithmetic number, because the mean of its divisors is an integer number (2296484400).

Almost surely, 2^47817638793 is an apocalyptic number.

It is an amenable number.

47817638793 is a deficient number, since it is larger than the sum of its proper divisors (25669862007).

47817638793 is a wasteful number, since it uses less digits than its factorization.

47817638793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546910 (or 546904 counting only the distinct ones).

The product of its digits is 42674688, while the sum is 63.

The spelling of 47817638793 in words is "forty-seven billion, eight hundred seventeen million, six hundred thirty-eight thousand, seven hundred ninety-three".