813674418078 has 16 divisors (see below), whose sum is σ = 1627401142800. Its totient is φ = 271216088256.

The previous prime is 813674418061. The next prime is 813674418079. The reversal of 813674418078 is 870814476318.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (813674418079) 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, 1975753 + ... + 2351796.

It is an arithmetic number, because the mean of its divisors is an integer number (101712571425).

Almost surely, 2^813674418078 is an apocalyptic number.

813674418078 is an abundant number, since it is smaller than the sum of its proper divisors (813726724722).

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

813674418078 is a wasteful number, since it uses less digits than its factorization.

813674418078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4358891.

The product of its (nonzero) digits is 7225344, while the sum is 57.

The spelling of 813674418078 in words is "eight hundred thirteen billion, six hundred seventy-four million, four hundred eighteen thousand, seventy-eight".