899081064 has 96 divisors (see below), whose sum is σ = 2929368000. Its totient is φ = 243357696.

The previous prime is 899081047. The next prime is 899081077. The reversal of 899081064 is 460180998.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37369 + ... + 56520.

It is an arithmetic number, because the mean of its divisors is an integer number (30514250).

Almost surely, 2^899081064 is an apocalyptic number.

899081064 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

899081064 is an abundant number, since it is smaller than the sum of its proper divisors (2030286936).

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

899081064 is a wasteful number, since it uses less digits than its factorization.

899081064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93927 (or 93920 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The square root of 899081064 is about 29984.6804885428. The cubic root of 899081064 is about 965.1606716101.

The spelling of 899081064 in words is "eight hundred ninety-nine million, eighty-one thousand, sixty-four".