76856356 has 12 divisors (see below), whose sum is σ = 134570268. Its totient is φ = 38407712.

The previous prime is 76856341. The next prime is 76856359. The reversal of 76856356 is 65365867.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 51696100 + 25160256 = 7190^2 + 5016^2 .

It is not an unprimeable number, because it can be changed into a prime (76856359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6030 + ... + 13786.

It is an arithmetic number, because the mean of its divisors is an integer number (11214189).

Almost surely, 2^76856356 is an apocalyptic number.

It is an amenable number.

76856356 is a deficient number, since it is larger than the sum of its proper divisors (57713912).

76856356 is a wasteful number, since it uses less digits than its factorization.

76856356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10238 (or 10236 counting only the distinct ones).

The product of its digits is 907200, while the sum is 46.

The square root of 76856356 is about 8766.7756900699. The cubic root of 76856356 is about 425.1673730617.

It can be divided in two parts, 7685 and 6356, that added together give a palindrome (14041).

The spelling of 76856356 in words is "seventy-six million, eight hundred fifty-six thousand, three hundred fifty-six".