79247331959 has 2 divisors, whose sum is σ = 79247331960. Its totient is φ = 79247331958.

The previous prime is 79247331941. The next prime is 79247331983. The reversal of 79247331959 is 95913374297.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79247331959 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 79247331898 and 79247331907.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79247333959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39623665979 + 39623665980.

It is an arithmetic number, because the mean of its divisors is an integer number (39623665980).

Almost surely, 2^79247331959 is an apocalyptic number.

79247331959 is a deficient number, since it is larger than the sum of its proper divisors (1).

79247331959 is an equidigital number, since it uses as much as digits as its factorization.

79247331959 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12859560, while the sum is 59.

The spelling of 79247331959 in words is "seventy-nine billion, two hundred forty-seven million, three hundred thirty-one thousand, nine hundred fifty-nine".