79167953 has 2 divisors, whose sum is σ = 79167954. Its totient is φ = 79167952.

The previous prime is 79167947. The next prime is 79167967. The reversal of 79167953 is 35976197.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77299264 + 1868689 = 8792^2 + 1367^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79167953 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 79167898 and 79167907.

It is not a weakly prime, because it can be changed into another prime (79167923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39583976 + 39583977.

It is an arithmetic number, because the mean of its divisors is an integer number (39583977).

Almost surely, 2^79167953 is an apocalyptic number.

It is an amenable number.

79167953 is a deficient number, since it is larger than the sum of its proper divisors (1).

79167953 is an equidigital number, since it uses as much as digits as its factorization.

79167953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 357210, while the sum is 47.

The square root of 79167953 is about 8897.6374954254. The cubic root of 79167953 is about 429.3879032175.

The spelling of 79167953 in words is "seventy-nine million, one hundred sixty-seven thousand, nine hundred fifty-three".