79569902827 has 2 divisors, whose sum is σ = 79569902828. Its totient is φ = 79569902826.

The previous prime is 79569902821. The next prime is 79569902831. The reversal of 79569902827 is 72820996597.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79569902827 is a prime.

It is not a weakly prime, because it can be changed into another prime (79569902821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39784951413 + 39784951414.

It is an arithmetic number, because the mean of its divisors is an integer number (39784951414).

Almost surely, 2^79569902827 is an apocalyptic number.

79569902827 is a deficient number, since it is larger than the sum of its proper divisors (1).

79569902827 is an equidigital number, since it uses as much as digits as its factorization.

79569902827 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34292160, while the sum is 64.

The spelling of 79569902827 in words is "seventy-nine billion, five hundred sixty-nine million, nine hundred two thousand, eight hundred twenty-seven".