79385567 has 2 divisors, whose sum is σ = 79385568. Its totient is φ = 79385566.

The previous prime is 79385543. The next prime is 79385587. The reversal of 79385567 is 76558397.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 79385567 - 2²⁰ = 78336991 is a prime.

It is a super-2 number, since 2×79385567² = 12604136495822978, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79385507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39692783 + 39692784.

It is an arithmetic number, because the mean of its divisors is an integer number (39692784).

Almost surely, 2^79385567 is an apocalyptic number.

79385567 is a deficient number, since it is larger than the sum of its proper divisors (1).

79385567 is an equidigital number, since it uses as much as digits as its factorization.

79385567 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1587600, while the sum is 50.

The square root of 79385567 is about 8909.8578552073. The cubic root of 79385567 is about 429.7809719217.

The spelling of 79385567 in words is "seventy-nine million, three hundred eighty-five thousand, five hundred sixty-seven".