80946659 has 2 divisors, whose sum is σ = 80946660. Its totient is φ = 80946658.

The previous prime is 80946641. The next prime is 80946703. The reversal of 80946659 is 95664908.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80946659 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (80946629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40473329 + 40473330.

It is an arithmetic number, because the mean of its divisors is an integer number (40473330).

Almost surely, 2^80946659 is an apocalyptic number.

80946659 is a deficient number, since it is larger than the sum of its proper divisors (1).

80946659 is an equidigital number, since it uses as much as digits as its factorization.

80946659 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 466560, while the sum is 47.

The square root of 80946659 is about 8997.0361230796. The cubic root of 80946659 is about 432.5798736507.

The spelling of 80946659 in words is "eighty million, nine hundred forty-six thousand, six hundred fifty-nine".