79461953 has 2 divisors, whose sum is σ = 79461954. Its totient is φ = 79461952.

The previous prime is 79461931. The next prime is 79461989. The reversal of 79461953 is 35916497.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43665664 + 35796289 = 6608^2 + 5983^2 .

It is a cyclic number.

It is not a de Polignac number, because 79461953 - 2²² = 75267649 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (79461853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39730976 + 39730977.

It is an arithmetic number, because the mean of its divisors is an integer number (39730977).

Almost surely, 2^79461953 is an apocalyptic number.

It is an amenable number.

79461953 is a deficient number, since it is larger than the sum of its proper divisors (1).

79461953 is an equidigital number, since it uses as much as digits as its factorization.

79461953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 204120, while the sum is 44.

The square root of 79461953 is about 8914.1434249175. The cubic root of 79461953 is about 429.9187749951.

The spelling of 79461953 in words is "seventy-nine million, four hundred sixty-one thousand, nine hundred fifty-three".