802831056405 has 32 divisors (see below), whose sum is σ = 1468074841344. Its totient is φ = 366998255616.

The previous prime is 802831056389. The next prime is 802831056407. The reversal of 802831056405 is 504650138208.

It is not a de Polignac number, because 802831056405 - 2⁴ = 802831056389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (802831056407) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4712389 + ... + 4879781.

It is an arithmetic number, because the mean of its divisors is an integer number (45877338792).

Almost surely, 2^802831056405 is an apocalyptic number.

It is an amenable number.

802831056405 is a deficient number, since it is larger than the sum of its proper divisors (665243784939).

802831056405 is a wasteful number, since it uses less digits than its factorization.

802831056405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213085.

The product of its (nonzero) digits is 230400, while the sum is 42.

The spelling of 802831056405 in words is "eight hundred two billion, eight hundred thirty-one million, fifty-six thousand, four hundred five".