79762961 has 2 divisors, whose sum is σ = 79762962. Its totient is φ = 79762960.

The previous prime is 79762951. The next prime is 79762967. The reversal of 79762961 is 16926797.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44289025 + 35473936 = 6655^2 + 5956^2 .

It is a cyclic number.

It is not a de Polignac number, because 79762961 - 2¹⁰ = 79761937 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 (79762967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39881480 + 39881481.

It is an arithmetic number, because the mean of its divisors is an integer number (39881481).

Almost surely, 2^79762961 is an apocalyptic number.

It is an amenable number.

79762961 is a deficient number, since it is larger than the sum of its proper divisors (1).

79762961 is an equidigital number, since it uses as much as digits as its factorization.

79762961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 285768, while the sum is 47.

The square root of 79762961 is about 8931.0111969474. The cubic root of 79762961 is about 430.4609461223.

The spelling of 79762961 in words is "seventy-nine million, seven hundred sixty-two thousand, nine hundred sixty-one".