80908061867 has 2 divisors, whose sum is σ = 80908061868. Its totient is φ = 80908061866.

The previous prime is 80908061833. The next prime is 80908061917. The reversal of 80908061867 is 76816080908.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80908061867 - 2²⁴ = 80891284651 is a prime.

It is a super-2 number, since 2×80908061867² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (80908061827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40454030933 + 40454030934.

It is an arithmetic number, because the mean of its divisors is an integer number (40454030934).

Almost surely, 2^80908061867 is an apocalyptic number.

80908061867 is a deficient number, since it is larger than the sum of its proper divisors (1).

80908061867 is an equidigital number, since it uses as much as digits as its factorization.

80908061867 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1161216, while the sum is 53.

The spelling of 80908061867 in words is "eighty billion, nine hundred eight million, sixty-one thousand, eight hundred sixty-seven".