5152778568 has 96 divisors (see below), whose sum is σ = 16788532800. Its totient is φ = 1394734464.

The previous prime is 5152778567. The next prime is 5152778597. The reversal of 5152778568 is 8658772515.

5152778568 is a `hidden beast` number, since 5 + 1 + 5 + 2 + 7 + 78 + 568 = 666.

It is a super-2 number, since 2×5152778568² = 53102253941680261248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5152778567) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 259471 + ... + 278622.

It is an arithmetic number, because the mean of its divisors is an integer number (174880550).

Almost surely, 2^5152778568 is an apocalyptic number.

It is an amenable number.

5152778568 is an abundant number, since it is smaller than the sum of its proper divisors (11635754232).

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

5152778568 is a wasteful number, since it uses less digits than its factorization.

5152778568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538131 (or 538124 counting only the distinct ones).

The product of its digits is 4704000, while the sum is 54.

The square root of 5152778568 is about 71782.8570621148. The cubic root of 5152778568 is about 1727.2180184139.

The spelling of 5152778568 in words is "five billion, one hundred fifty-two million, seven hundred seventy-eight thousand, five hundred sixty-eight".