847879978748 has 24 divisors (see below), whose sum is σ = 1621382313600. Its totient is φ = 384756572720.

The previous prime is 847879978727. The next prime is 847879978753.

847879978748 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 847879978748.

It is a congruent number.

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, 16058786 + ... + 16111497.

It is an arithmetic number, because the mean of its divisors is an integer number (67557596400).

Almost surely, 2^847879978748 is an apocalyptic number.

It is an amenable number.

847879978748 is a deficient number, since it is larger than the sum of its proper divisors (773502334852).

847879978748 is a wasteful number, since it uses less digits than its factorization.

847879978748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32170897 (or 32170895 counting only the distinct ones).

The product of its digits is 12745506816, while the sum is 86.

The spelling of 847879978748 in words is "eight hundred forty-seven billion, eight hundred seventy-nine million, nine hundred seventy-eight thousand, seven hundred forty-eight".