899677636 has 48 divisors (see below), whose sum is σ = 1875823488. Its totient is φ = 372153600.

The previous prime is 899677631. The next prime is 899677651. The reversal of 899677636 is 636776998.

It is not an unprimeable number, because it can be changed into a prime (899677631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29536 + ... + 51688.

It is an arithmetic number, because the mean of its divisors is an integer number (39079656).

Almost surely, 2^899677636 is an apocalyptic number.

It is an amenable number.

899677636 is an abundant number, since it is smaller than the sum of its proper divisors (976145852).

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

899677636 is a wasteful number, since it uses less digits than its factorization.

899677636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22252 (or 22250 counting only the distinct ones).

The product of its digits is 20575296, while the sum is 61.

The square root of 899677636 is about 29994.6267854761. The cubic root of 899677636 is about 965.3740971288.

The spelling of 899677636 in words is "eight hundred ninety-nine million, six hundred seventy-seven thousand, six hundred thirty-six".