79167479 has 2 divisors, whose sum is σ = 79167480. Its totient is φ = 79167478.

The previous prime is 79167467. The next prime is 79167499. The reversal of 79167479 is 97476197.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 79167479 - 2²⁰ = 78118903 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79167499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39583739 + 39583740.

It is an arithmetic number, because the mean of its divisors is an integer number (39583740).

Almost surely, 2^79167479 is an apocalyptic number.

79167479 is a deficient number, since it is larger than the sum of its proper divisors (1).

79167479 is an equidigital number, since it uses as much as digits as its factorization.

79167479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 666792, while the sum is 50.

The square root of 79167479 is about 8897.6108591014. The cubic root of 79167479 is about 429.3870462618.

The spelling of 79167479 in words is "seventy-nine million, one hundred sixty-seven thousand, four hundred seventy-nine".