808880985 has 80 divisors (see below), whose sum is σ = 1633116672. Its totient is φ = 379468800.

The previous prime is 808880971. The next prime is 808881001. The reversal of 808880985 is 589088808.

It is not a de Polignac number, because 808880985 - 2¹⁰ = 808879961 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 135177 + ... + 141033.

Almost surely, 2^808880985 is an apocalyptic number.

It is an amenable number.

808880985 is an abundant number, since it is smaller than the sum of its proper divisors (824235687).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

808880985 is a wasteful number, since it uses less digits than its factorization.

808880985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5916 (or 5907 counting only the distinct ones).

The product of its (nonzero) digits is 1474560, while the sum is 54.

The square root of 808880985 is about 28440.8330574194. The cubic root of 808880985 is about 931.7402897875.

The spelling of 808880985 in words is "eight hundred eight million, eight hundred eighty thousand, nine hundred eighty-five".