79045867 has 2 divisors, whose sum is σ = 79045868. Its totient is φ = 79045866.

The previous prime is 79045861. The next prime is 79045907. The reversal of 79045867 is 76854097.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (76854097) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 79045867 - 2³ = 79045859 is a prime.

It is not a weakly prime, because it can be changed into another prime (79045861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39522933 + 39522934.

It is an arithmetic number, because the mean of its divisors is an integer number (39522934).

Almost surely, 2^79045867 is an apocalyptic number.

79045867 is a deficient number, since it is larger than the sum of its proper divisors (1).

79045867 is an equidigital number, since it uses as much as digits as its factorization.

79045867 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 423360, while the sum is 46.

The square root of 79045867 is about 8890.7742632461. The cubic root of 79045867 is about 429.1670679775.

The spelling of 79045867 in words is "seventy-nine million, forty-five thousand, eight hundred sixty-seven".