79967 has 2 divisors, whose sum is σ = 79968. Its totient is φ = 79966.

The previous prime is 79943. The next prime is 79973. The reversal of 79967 is 76997.

It is a strong prime.

79967 is a truncatable prime.

It is a cyclic number.

It is not a de Polignac number, because 79967 - 2⁶ = 79903 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 79967.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39983 + 39984.

It is an arithmetic number, because the mean of its divisors is an integer number (39984).

2⁷⁹⁹⁶⁷ is an apocalyptic number.

79967 is a deficient number, since it is larger than the sum of its proper divisors (1).

79967 is an equidigital number, since it uses as much as digits as its factorization.

79967 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23814, while the sum is 38.

The square root of 79967 is about 282.7843701480. The cubic root of 79967 is about 43.0827682904.

The spelling of 79967 in words is "seventy-nine thousand, nine hundred sixty-seven".