80955727 has 2 divisors, whose sum is σ = 80955728. Its totient is φ = 80955726.

The previous prime is 80955701. The next prime is 80955731. The reversal of 80955727 is 72755908.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80955727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80955737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40477863 + 40477864.

It is an arithmetic number, because the mean of its divisors is an integer number (40477864).

Almost surely, 2^80955727 is an apocalyptic number.

80955727 is a deficient number, since it is larger than the sum of its proper divisors (1).

80955727 is an equidigital number, since it uses as much as digits as its factorization.

80955727 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 176400, while the sum is 43.

The square root of 80955727 is about 8997.5400527033. The cubic root of 80955727 is about 432.5960262128.

The spelling of 80955727 in words is "eighty million, nine hundred fifty-five thousand, seven hundred twenty-seven".