762686868 has 12 divisors (see below), whose sum is σ = 1779602720. Its totient is φ = 254228952.

The previous prime is 762686867. The next prime is 762686887. The reversal of 762686868 is 868686267.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (762686867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31778608 + ... + 31778631.

Almost surely, 2^762686868 is an apocalyptic number.

It is an amenable number.

762686868 is an abundant number, since it is smaller than the sum of its proper divisors (1016915852).

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

762686868 is a wasteful number, since it uses less digits than its factorization.

762686868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63557246 (or 63557244 counting only the distinct ones).

The product of its digits is 9289728, while the sum is 57.

The square root of 762686868 is about 27616.7859824419. The cubic root of 762686868 is about 913.6546935404.

The spelling of 762686868 in words is "seven hundred sixty-two million, six hundred eighty-six thousand, eight hundred sixty-eight".