80928079 has 2 divisors, whose sum is σ = 80928080. Its totient is φ = 80928078.

The previous prime is 80928061. The next prime is 80928097. The reversal of 80928079 is 97082908.

Together with next prime (80928097) it forms an Ormiston pair, because they use the same digits, order apart.

It is a balanced prime because it is at equal distance from previous prime (80928061) and next prime (80928097).

It is a cyclic number.

It is not a de Polignac number, because 80928079 - 2⁵ = 80928047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80928479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40464039 + 40464040.

It is an arithmetic number, because the mean of its divisors is an integer number (40464040).

Almost surely, 2^80928079 is an apocalyptic number.

80928079 is a deficient number, since it is larger than the sum of its proper divisors (1).

80928079 is an equidigital number, since it uses as much as digits as its factorization.

80928079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 43.

The square root of 80928079 is about 8996.0035015556. The cubic root of 80928079 is about 432.5467738737.

The spelling of 80928079 in words is "eighty million, nine hundred twenty-eight thousand, seventy-nine".