802494627831 has 32 divisors (see below), whose sum is σ = 1355647043520. Its totient is φ = 464793265152.

The previous prime is 802494627817. The next prime is 802494627881. The reversal of 802494627831 is 138726494208.

802494627831 is a `hidden beast` number, since 8 + 0 + 2 + 4 + 9 + 4 + 627 + 8 + 3 + 1 = 666.

It is not a de Polignac number, because 802494627831 - 2⁷ = 802494627703 is a prime.

It is a super-2 number, since 2×802494627831² (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 (802494627881) 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, 67238430 + ... + 67250363.

It is an arithmetic number, because the mean of its divisors is an integer number (42363970110).

Almost surely, 2^802494627831 is an apocalyptic number.

802494627831 is a deficient number, since it is larger than the sum of its proper divisors (553152415689).

802494627831 is a wasteful number, since it uses less digits than its factorization.

802494627831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134488832 (or 134488826 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 54.

The spelling of 802494627831 in words is "eight hundred two billion, four hundred ninety-four million, six hundred twenty-seven thousand, eight hundred thirty-one".