899884456505 has 16 divisors (see below), whose sum is σ = 1132969294848. Its totient is φ = 685263672000.

The previous prime is 899884456487. The next prime is 899884456511. The reversal of 899884456505 is 505654488998.

It is not a de Polignac number, because 899884456505 - 2⁶ = 899884456441 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47578301 + ... + 47597210.

It is an arithmetic number, because the mean of its divisors is an integer number (70810580928).

Almost surely, 2^899884456505 is an apocalyptic number.

It is an amenable number.

899884456505 is a deficient number, since it is larger than the sum of its proper divisors (233084838343).

899884456505 is a wasteful number, since it uses less digits than its factorization.

899884456505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95175608.

The product of its (nonzero) digits is 497664000, while the sum is 71.

The spelling of 899884456505 in words is "eight hundred ninety-nine billion, eight hundred eighty-four million, four hundred fifty-six thousand, five hundred five".