79247333899 has 2 divisors, whose sum is σ = 79247333900. Its totient is φ = 79247333898.

The previous prime is 79247333861. The next prime is 79247333959. The reversal of 79247333899 is 99833374297.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 79247333899 - 2⁹ = 79247333387 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 79247333899.

It is not a weakly prime, because it can be changed into another prime (79247333839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39623666949 + 39623666950.

It is an arithmetic number, because the mean of its divisors is an integer number (39623666950).

Almost surely, 2^79247333899 is an apocalyptic number.

79247333899 is a deficient number, since it is larger than the sum of its proper divisors (1).

79247333899 is an equidigital number, since it uses as much as digits as its factorization.

79247333899 is an evil number, because the sum of its binary digits is even.

The product of its digits is 61725888, while the sum is 64.

The spelling of 79247333899 in words is "seventy-nine billion, two hundred forty-seven million, three hundred thirty-three thousand, eight hundred ninety-nine".