78083568 has 40 divisors (see below), whose sum is σ = 224130000. Its totient is φ = 26027712.

The previous prime is 78083563. The next prime is 78083569. The reversal of 78083568 is 86538087.

78083568 is a `hidden beast` number, since 7 + 8 + 0 + 83 + 568 = 666.

It is a super-2 number, since 2×78083568² = 12194087183221248, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78083563) 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, 89943 + ... + 90806.

It is an arithmetic number, because the mean of its divisors is an integer number (5603250).

Almost surely, 2^78083568 is an apocalyptic number.

It is an amenable number.

78083568 is an abundant number, since it is smaller than the sum of its proper divisors (146046432).

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

78083568 is a wasteful number, since it uses less digits than its factorization.

78083568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180766 (or 180754 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 78083568 is about 8836.4907061571. The cubic root of 78083568 is about 427.4184024011.

It can be divided in two parts, 780 and 83568, that added together give a palindrome (84348).

The spelling of 78083568 in words is "seventy-eight million, eighty-three thousand, five hundred sixty-eight".