80263979 has 2 divisors, whose sum is σ = 80263980. Its totient is φ = 80263978.

The previous prime is 80263973. The next prime is 80264033. The reversal of 80263979 is 97936208.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80263979 - 2²⁴ = 63486763 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (80263973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40131989 + 40131990.

It is an arithmetic number, because the mean of its divisors is an integer number (40131990).

Almost surely, 2^80263979 is an apocalyptic number.

80263979 is a deficient number, since it is larger than the sum of its proper divisors (1).

80263979 is an equidigital number, since it uses as much as digits as its factorization.

80263979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 80263979 is about 8959.0166313050. The cubic root of 80263979 is about 431.3603555988.

The spelling of 80263979 in words is "eighty million, two hundred sixty-three thousand, nine hundred seventy-nine".