515788968 has 32 divisors (see below), whose sum is σ = 1298757600. Its totient is φ = 170691648.

The previous prime is 515788967. The next prime is 515788969. The reversal of 515788968 is 869887515.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (515788967) and next prime (515788969).

It is not an unprimeable number, because it can be changed into a prime (515788967) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73971 + ... + 80642.

It is an arithmetic number, because the mean of its divisors is an integer number (40586175).

Almost surely, 2^515788968 is an apocalyptic number.

It is an amenable number.

515788968 is an abundant number, since it is smaller than the sum of its proper divisors (782968632).

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

515788968 is a wasteful number, since it uses less digits than its factorization.

515788968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154761 (or 154757 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 57.

The square root of 515788968 is about 22710.9878252796. The cubic root of 515788968 is about 801.9685727616.

The spelling of 515788968 in words is "five hundred fifteen million, seven hundred eighty-eight thousand, nine hundred sixty-eight".