80466647 has 2 divisors, whose sum is σ = 80466648. Its totient is φ = 80466646.

The previous prime is 80466623. The next prime is 80466713. The reversal of 80466647 is 74666408.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80466647 - 2⁶ = 80466583 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 (80466847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40233323 + 40233324.

It is an arithmetic number, because the mean of its divisors is an integer number (40233324).

Almost surely, 2^80466647 is an apocalyptic number.

80466647 is a deficient number, since it is larger than the sum of its proper divisors (1).

80466647 is an equidigital number, since it uses as much as digits as its factorization.

80466647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 193536, while the sum is 41.

The square root of 80466647 is about 8970.3203398764. The cubic root of 80466647 is about 431.7231146812.

The spelling of 80466647 in words is "eighty million, four hundred sixty-six thousand, six hundred forty-seven".