79431345874 has 8 divisors (see below), whose sum is σ = 119258478540. Its totient is φ = 39678519696.

The previous prime is 79431345839. The next prime is 79431345893. The reversal of 79431345874 is 47854313497.

It can be written as a sum of positive squares in 2 ways, for example, as 75914025625 + 3517320249 = 275525^2 + 59307^2 .

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

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, 18573949 + ... + 18578224.

Almost surely, 2^79431345874 is an apocalyptic number.

79431345874 is a deficient number, since it is larger than the sum of its proper divisors (39827132666).

79431345874 is a wasteful number, since it uses less digits than its factorization.

79431345874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37153244.

The product of its digits is 10160640, while the sum is 55.

The spelling of 79431345874 in words is "seventy-nine billion, four hundred thirty-one million, three hundred forty-five thousand, eight hundred seventy-four".