899173368 has 24 divisors (see below), whose sum is σ = 2435261400. Its totient is φ = 299724432.

The previous prime is 899173361. The next prime is 899173381. The reversal of 899173368 is 863371998.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (899173361) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6244188 + ... + 6244331.

It is an arithmetic number, because the mean of its divisors is an integer number (101469225).

Almost surely, 2^899173368 is an apocalyptic number.

It is an amenable number.

899173368 is an abundant number, since it is smaller than the sum of its proper divisors (1536088032).

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

899173368 is a wasteful number, since it uses less digits than its factorization.

899173368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12488531 (or 12488524 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 54.

The square root of 899173368 is about 29986.2196350257. The cubic root of 899173368 is about 965.1936998303.

The spelling of 899173368 in words is "eight hundred ninety-nine million, one hundred seventy-three thousand, three hundred sixty-eight".