802313856 has 128 divisors (see below), whose sum is σ = 2397326400. Its totient is φ = 264121344.

The previous prime is 802313851. The next prime is 802313857. The reversal of 802313856 is 658313208.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 802313856.

It is not an unprimeable number, because it can be changed into a prime (802313851) 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, 285450 + ... + 288246.

Almost surely, 2^802313856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 802313856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1198663200).

802313856 is an abundant number, since it is smaller than the sum of its proper divisors (1595012544).

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

802313856 is a wasteful number, since it uses less digits than its factorization.

802313856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2903 (or 2885 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 802313856 is about 28325.1452953025. The cubic root of 802313856 is about 929.2119025812.

The spelling of 802313856 in words is "eight hundred two million, three hundred thirteen thousand, eight hundred fifty-six".