802997811 has 48 divisors (see below), whose sum is σ = 1448928000. Its totient is φ = 416324160.

The previous prime is 802997809. The next prime is 802997813. The reversal of 802997811 is 118799208.

It is an interprime number because it is at equal distance from previous prime (802997809) and next prime (802997813).

It is not a de Polignac number, because 802997811 - 2¹ = 802997809 is a prime.

It is a super-3 number, since 3×802997811³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (802997813) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 534940 + ... + 536438.

It is an arithmetic number, because the mean of its divisors is an integer number (30186000).

Almost surely, 2^802997811 is an apocalyptic number.

802997811 is a deficient number, since it is larger than the sum of its proper divisors (645930189).

802997811 is a wasteful number, since it uses less digits than its factorization.

802997811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2296 (or 2293 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 45.

The square root of 802997811 is about 28337.2160065169. The cubic root of 802997811 is about 929.4758718550.

The spelling of 802997811 in words is "eight hundred two million, nine hundred ninety-seven thousand, eight hundred eleven".