79462316247 has 4 divisors (see below), whose sum is σ = 105949755000. Its totient is φ = 52974877496.

The previous prime is 79462316239. The next prime is 79462316267. The reversal of 79462316247 is 74261326497.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 79462316247 - 2³ = 79462316239 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 79462316247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79462316237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13243719372 + ... + 13243719377.

It is an arithmetic number, because the mean of its divisors is an integer number (26487438750).

Almost surely, 2^79462316247 is an apocalyptic number.

79462316247 is a deficient number, since it is larger than the sum of its proper divisors (26487438753).

79462316247 is a wasteful number, since it uses less digits than its factorization.

79462316247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26487438752.

The product of its digits is 3048192, while the sum is 51.

The spelling of 79462316247 in words is "seventy-nine billion, four hundred sixty-two million, three hundred sixteen thousand, two hundred forty-seven".