847679078418 has 16 divisors (see below), whose sum is σ = 1705157917056. Its totient is φ = 280926399440.

The previous prime is 847679078359. The next prime is 847679078419. The reversal of 847679078418 is 814870976748.

It is not an unprimeable number, because it can be changed into a prime (847679078419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 408322218 + ... + 408324293.

It is an arithmetic number, because the mean of its divisors is an integer number (106572369816).

Almost surely, 2^847679078418 is an apocalyptic number.

847679078418 is an abundant number, since it is smaller than the sum of its proper divisors (857478838638).

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

847679078418 is a wasteful number, since it uses less digits than its factorization.

847679078418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816646689.

The product of its (nonzero) digits is 151732224, while the sum is 69.

The spelling of 847679078418 in words is "eight hundred forty-seven billion, six hundred seventy-nine million, seventy-eight thousand, four hundred eighteen".