79004364678 has 24 divisors (see below), whose sum is σ = 171350298288. Its totient is φ = 26307992112.

The previous prime is 79004364601. The next prime is 79004364679. The reversal of 79004364678 is 87646340097.

It is a happy number.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79004364679) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2214825 + ... + 2250212.

It is an arithmetic number, because the mean of its divisors is an integer number (7139595762).

Almost surely, 2^79004364678 is an apocalyptic number.

79004364678 is an abundant number, since it is smaller than the sum of its proper divisors (92345933610).

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

79004364678 is a wasteful number, since it uses less digits than its factorization.

79004364678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4466028 (or 4466025 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 54.

The spelling of 79004364678 in words is "seventy-nine billion, four million, three hundred sixty-four thousand, six hundred seventy-eight".