79765937 has 2 divisors, whose sum is σ = 79765938. Its totient is φ = 79765936.

The previous prime is 79765927. The next prime is 79765949. The reversal of 79765937 is 73956797.

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., 78836641 + 929296 = 8879^2 + 964^2 .

It is a cyclic number.

It is not a de Polignac number, because 79765937 - 2¹⁸ = 79503793 is a prime.

It is not a weakly prime, because it can be changed into another prime (79765927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39882968 + 39882969.

It is an arithmetic number, because the mean of its divisors is an integer number (39882969).

Almost surely, 2^79765937 is an apocalyptic number.

It is an amenable number.

79765937 is a deficient number, since it is larger than the sum of its proper divisors (1).

79765937 is an equidigital number, since it uses as much as digits as its factorization.

79765937 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2500470, while the sum is 53.

The square root of 79765937 is about 8931.1778058664. The cubic root of 79765937 is about 430.4662996341.

The spelling of 79765937 in words is "seventy-nine million, seven hundred sixty-five thousand, nine hundred thirty-seven".