77568806 has 16 divisors (see below), whose sum is σ = 134025216. Its totient is φ = 32981256.

The previous prime is 77568797. The next prime is 77568809. The reversal of 77568806 is 60886577.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77568809) 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, 20036 + ... + 23591.

It is an arithmetic number, because the mean of its divisors is an integer number (8376576).

Almost surely, 2^77568806 is an apocalyptic number.

77568806 is a deficient number, since it is larger than the sum of its proper divisors (56456410).

77568806 is a wasteful number, since it uses less digits than its factorization.

77568806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43763.

The product of its (nonzero) digits is 564480, while the sum is 47.

The square root of 77568806 is about 8807.3154820297. The cubic root of 77568806 is about 426.4770860507.

The spelling of 77568806 in words is "seventy-seven million, five hundred sixty-eight thousand, eight hundred six".