899804240868 has 48 divisors (see below), whose sum is σ = 2359352935296. Its totient is φ = 264825327360.

The previous prime is 899804240851. The next prime is 899804240887. The reversal of 899804240868 is 868042408998.

It is a happy number.

It is a super-2 number, since 2×899804240868² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 899804240799 and 899804240808.

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, 125387193 + ... + 125394368.

It is an arithmetic number, because the mean of its divisors is an integer number (49153186152).

Almost surely, 2^899804240868 is an apocalyptic number.

It is an amenable number.

899804240868 is an abundant number, since it is smaller than the sum of its proper divisors (1459548694428).

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

899804240868 is a wasteful number, since it uses less digits than its factorization.

899804240868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250781604 (or 250781602 counting only the distinct ones).

The product of its (nonzero) digits is 63700992, while the sum is 66.

The spelling of 899804240868 in words is "eight hundred ninety-nine billion, eight hundred four million, two hundred forty thousand, eight hundred sixty-eight".