80808887 has 2 divisors, whose sum is σ = 80808888. Its totient is φ = 80808886.

The previous prime is 80808869. The next prime is 80808929. The reversal of 80808887 is 78880808.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80808887 - 2¹⁰ = 80807863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80808187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40404443 + 40404444.

It is an arithmetic number, because the mean of its divisors is an integer number (40404444).

Almost surely, 2^80808887 is an apocalyptic number.

80808887 is a deficient number, since it is larger than the sum of its proper divisors (1).

80808887 is an equidigital number, since it uses as much as digits as its factorization.

80808887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 229376, while the sum is 47.

The square root of 80808887 is about 8989.3763409927. The cubic root of 80808887 is about 432.3343159016.

The spelling of 80808887 in words is "eighty million, eight hundred eight thousand, eight hundred eighty-seven".