802731897 has 32 divisors (see below), whose sum is σ = 1300561920. Its totient is φ = 485298000.

The previous prime is 802731859. The next prime is 802731911. The reversal of 802731897 is 798137208.

It is not a de Polignac number, because 802731897 - 2¹⁴ = 802715513 is a prime.

It is a super-2 number, since 2×802731897² = 1288756996922437218, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (802731827) 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, 124872 + ... + 131142.

It is an arithmetic number, because the mean of its divisors is an integer number (40642560).

Almost surely, 2^802731897 is an apocalyptic number.

It is an amenable number.

802731897 is a deficient number, since it is larger than the sum of its proper divisors (497830023).

802731897 is a wasteful number, since it uses less digits than its factorization.

802731897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6722 (or 6716 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The square root of 802731897 is about 28332.5236609801. The cubic root of 802731897 is about 929.3732613908.

The spelling of 802731897 in words is "eight hundred two million, seven hundred thirty-one thousand, eight hundred ninety-seven".