79992767 has 2 divisors, whose sum is σ = 79992768. Its totient is φ = 79992766.

The previous prime is 79992749. The next prime is 79992791. The reversal of 79992767 is 76729997.

It is a weak prime.

It is an emirp because it is prime and its reverse (76729997) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 79992767 - 2¹⁴ = 79976383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79992727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39996383 + 39996384.

It is an arithmetic number, because the mean of its divisors is an integer number (39996384).

Almost surely, 2^79992767 is an apocalyptic number.

79992767 is a deficient number, since it is larger than the sum of its proper divisors (1).

79992767 is an equidigital number, since it uses as much as digits as its factorization.

79992767 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3000564, while the sum is 56.

The square root of 79992767 is about 8943.8675638674. The cubic root of 79992767 is about 430.8739517599.

The spelling of 79992767 in words is "seventy-nine million, nine hundred ninety-two thousand, seven hundred sixty-seven".