80165711 has 2 divisors, whose sum is σ = 80165712. Its totient is φ = 80165710.

The previous prime is 80165707. The next prime is 80165737. The reversal of 80165711 is 11756108.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80165711 - 2² = 80165707 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80165311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40082855 + 40082856.

It is an arithmetic number, because the mean of its divisors is an integer number (40082856).

Almost surely, 2^80165711 is an apocalyptic number.

80165711 is a deficient number, since it is larger than the sum of its proper divisors (1).

80165711 is an equidigital number, since it uses as much as digits as its factorization.

80165711 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 29.

The square root of 80165711 is about 8953.5306443883. The cubic root of 80165711 is about 431.1842440945.

The spelling of 80165711 in words is "eighty million, one hundred sixty-five thousand, seven hundred eleven".