802897890831 has 12 divisors (see below), whose sum is σ = 1159966788552. Its totient is φ = 535161234096.

The previous prime is 802897890811. The next prime is 802897890833. The reversal of 802897890831 is 138098798208.

It is not a de Polignac number, because 802897890831 - 2¹¹ = 802897888783 is a prime.

It is a super-2 number, since 2×802897890831² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (802897890833) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8619976 + ... + 8712621.

It is an arithmetic number, because the mean of its divisors is an integer number (96663899046).

Almost surely, 2^802897890831 is an apocalyptic number.

802897890831 is a deficient number, since it is larger than the sum of its proper divisors (357068897721).

802897890831 is a wasteful number, since it uses less digits than its factorization.

802897890831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17337750 (or 17337747 counting only the distinct ones).

The product of its (nonzero) digits is 13934592, while the sum is 63.

The spelling of 802897890831 in words is "eight hundred two billion, eight hundred ninety-seven million, eight hundred ninety thousand, eight hundred thirty-one".