802865172 has 24 divisors (see below), whose sum is σ = 1879462816. Its totient is φ = 266748768.

The previous prime is 802865111. The next prime is 802865179. The reversal of 802865172 is 271568208.

It is a self number, because there is not a number n which added to its sum of digits gives 802865172.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (802865179) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105283 + ... + 112650.

Almost surely, 2^802865172 is an apocalyptic number.

It is an amenable number.

802865172 is an abundant number, since it is smaller than the sum of its proper divisors (1076597644).

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

802865172 is a wasteful number, since it uses less digits than its factorization.

802865172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218247 (or 218245 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 39.

The square root of 802865172 is about 28334.8755423418. The cubic root of 802865172 is about 929.4246921643.

It can be divided in two parts, 80286 and 5172, that added together give a palindrome (85458).

The spelling of 802865172 in words is "eight hundred two million, eight hundred sixty-five thousand, one hundred seventy-two".