80610811 has 2 divisors, whose sum is σ = 80610812. Its totient is φ = 80610810.

The previous prime is 80610793. The next prime is 80610823. The reversal of 80610811 is 11801608.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80610811 - 2⁵ = 80610779 is a prime.

It is not a weakly prime, because it can be changed into another prime (80610011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40305405 + 40305406.

It is an arithmetic number, because the mean of its divisors is an integer number (40305406).

Almost surely, 2^80610811 is an apocalyptic number.

80610811 is a deficient number, since it is larger than the sum of its proper divisors (1).

80610811 is an equidigital number, since it uses as much as digits as its factorization.

80610811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 25.

The square root of 80610811 is about 8978.3523544134. The cubic root of 80610811 is about 431.9807858252.

The spelling of 80610811 in words is "eighty million, six hundred ten thousand, eight hundred eleven".