79550953 has 2 divisors, whose sum is σ = 79550954. Its totient is φ = 79550952.

The previous prime is 79550941. The next prime is 79550957. The reversal of 79550953 is 35905597.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68608089 + 10942864 = 8283^2 + 3308^2 .

It is a cyclic number.

It is not a de Polignac number, because 79550953 - 2²⁵ = 45996521 is a prime.

It is not a weakly prime, because it can be changed into another prime (79550957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39775476 + 39775477.

It is an arithmetic number, because the mean of its divisors is an integer number (39775477).

Almost surely, 2^79550953 is an apocalyptic number.

It is an amenable number.

79550953 is a deficient number, since it is larger than the sum of its proper divisors (1).

79550953 is an equidigital number, since it uses as much as digits as its factorization.

79550953 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 212625, while the sum is 43.

The square root of 79550953 is about 8919.1340947426. The cubic root of 79550953 is about 430.0792228288.

The spelling of 79550953 in words is "seventy-nine million, five hundred fifty thousand, nine hundred fifty-three".