80884840811 has 2 divisors, whose sum is σ = 80884840812. Its totient is φ = 80884840810.

The previous prime is 80884840783. The next prime is 80884840919. The reversal of 80884840811 is 11804848808.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80884840811 is a prime.

It is a super-2 number, since 2×80884840811² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 80884840811.

It is not a weakly prime, because it can be changed into another prime (80884840411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40442420405 + 40442420406.

It is an arithmetic number, because the mean of its divisors is an integer number (40442420406).

Almost surely, 2^80884840811 is an apocalyptic number.

80884840811 is a deficient number, since it is larger than the sum of its proper divisors (1).

80884840811 is an equidigital number, since it uses as much as digits as its factorization.

80884840811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 524288, while the sum is 50.

The spelling of 80884840811 in words is "eighty billion, eight hundred eighty-four million, eight hundred forty thousand, eight hundred eleven".