687900882 has 32 divisors (see below), whose sum is σ = 1437004800. Its totient is φ = 219119120.

The previous prime is 687900877. The next prime is 687900887. The reversal of 687900882 is 288009786.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (687900877) and next prime (687900887).

It is not an unprimeable number, because it can be changed into a prime (687900887) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 206869 + ... + 210167.

It is an arithmetic number, because the mean of its divisors is an integer number (44906400).

Almost surely, 2^687900882 is an apocalyptic number.

687900882 is an abundant number, since it is smaller than the sum of its proper divisors (749103918).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

687900882 is a wasteful number, since it uses less digits than its factorization.

687900882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4838.

The product of its (nonzero) digits is 387072, while the sum is 48.

The square root of 687900882 is about 26227.8646099907. The cubic root of 687900882 is about 882.7585963299.

The spelling of 687900882 in words is "six hundred eighty-seven million, nine hundred thousand, eight hundred eighty-two".