515968704 has 98 divisors (see below), whose sum is σ = 1535249660. Its totient is φ = 171974016.

The previous prime is 515968699. The next prime is 515968757. The reversal of 515968704 is 407869515.

515968704 is a `hidden beast` number, since 51 + 596 + 8 + 7 + 0 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 515968704.

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 41127 + ... + 52185.

Almost surely, 2^515968704 is an apocalyptic number.

515968704 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 515968704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (767624830).

515968704 is an abundant number, since it is smaller than the sum of its proper divisors (1019280956).

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

515968704 is an equidigital number, since it uses as much as digits as its factorization.

515968704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11089 (or 11064 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The square root of 515968704 is about 22714.9445079666. The cubic root of 515968704 is about 802.0617154308.

The spelling of 515968704 in words is "five hundred fifteen million, nine hundred sixty-eight thousand, seven hundred four".