79412947 has 4 divisors (see below), whose sum is σ = 79472160. Its totient is φ = 79353736.

The previous prime is 79412929. The next prime is 79412953. The reversal of 79412947 is 74921497.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79412947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79412147) 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, 27547 + ... + 30292.

It is an arithmetic number, because the mean of its divisors is an integer number (19868040).

Almost surely, 2^79412947 is an apocalyptic number.

79412947 is a deficient number, since it is larger than the sum of its proper divisors (59213).

79412947 is a wasteful number, since it uses less digits than its factorization.

79412947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59212.

The product of its digits is 127008, while the sum is 43.

The square root of 79412947 is about 8911.3942231281. The cubic root of 79412947 is about 429.8303765799.

The spelling of 79412947 in words is "seventy-nine million, four hundred twelve thousand, nine hundred forty-seven".