689882131 has 8 divisors (see below), whose sum is σ = 732960720. Its totient is φ = 648089568.

The previous prime is 689882119. The next prime is 689882143. The reversal of 689882131 is 131288986.

It is an interprime number because it is at equal distance from previous prime (689882119) and next prime (689882143).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 689882131 - 2⁷ = 689882003 is a prime.

It is a super-2 number, since 2×689882131² = 951874709346202322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (689882101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 320401 + ... + 322546.

It is an arithmetic number, because the mean of its divisors is an integer number (91620090).

Almost surely, 2^689882131 is an apocalyptic number.

689882131 is a deficient number, since it is larger than the sum of its proper divisors (43078589).

689882131 is a wasteful number, since it uses less digits than its factorization.

689882131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643013.

The product of its digits is 165888, while the sum is 46.

The square root of 689882131 is about 26265.6073792326. The cubic root of 689882131 is about 883.6052726595.

The spelling of 689882131 in words is "six hundred eighty-nine million, eight hundred eighty-two thousand, one hundred thirty-one".