79449791874 has 8 divisors (see below), whose sum is σ = 158899583760. Its totient is φ = 26483263956.

The previous prime is 79449791851. The next prime is 79449791887. The reversal of 79449791874 is 47819794497.

It is a sphenic number, since it is the product of 3 distinct primes.

79449791874 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 79449791799 and 79449791808.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6620815984 + ... + 6620815995.

It is an arithmetic number, because the mean of its divisors is an integer number (19862447970).

Almost surely, 2^79449791874 is an apocalyptic number.

79449791874 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

79449791874 is a wasteful number, since it uses less digits than its factorization.

79449791874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13241631984.

The product of its digits is 128024064, while the sum is 69.

The spelling of 79449791874 in words is "seventy-nine billion, four hundred forty-nine million, seven hundred ninety-one thousand, eight hundred seventy-four".