80814971 has 2 divisors, whose sum is σ = 80814972. Its totient is φ = 80814970.

The previous prime is 80814953. The next prime is 80815019. The reversal of 80814971 is 17941808.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80814971 - 2⁶ = 80814907 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (80814941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40407485 + 40407486.

It is an arithmetic number, because the mean of its divisors is an integer number (40407486).

Almost surely, 2^80814971 is an apocalyptic number.

80814971 is a deficient number, since it is larger than the sum of its proper divisors (1).

80814971 is an equidigital number, since it uses as much as digits as its factorization.

80814971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 38.

The square root of 80814971 is about 8989.7147340725. The cubic root of 80814971 is about 432.3451655992.

The spelling of 80814971 in words is "eighty million, eight hundred fourteen thousand, nine hundred seventy-one".