847138336904 has 16 divisors (see below), whose sum is σ = 1588395394320. Its totient is φ = 423566231760.

The previous prime is 847138336903. The next prime is 847138336963. The reversal of 847138336904 is 409633831748.

It is a self number, because there is not a number n which added to its sum of digits gives 847138336904.

It is not an unprimeable number, because it can be changed into a prime (847138336903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1309139 + ... + 1846109.

It is an arithmetic number, because the mean of its divisors is an integer number (99274712145).

Almost surely, 2^847138336904 is an apocalyptic number.

It is an amenable number.

847138336904 is a deficient number, since it is larger than the sum of its proper divisors (741257057416).

847138336904 is a wasteful number, since it uses less digits than its factorization.

847138336904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734180 (or 734176 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 56.

The spelling of 847138336904 in words is "eight hundred forty-seven billion, one hundred thirty-eight million, three hundred thirty-six thousand, nine hundred four".