56787876 has 36 divisors (see below), whose sum is σ = 143899392. Its totient is φ = 18882864.

The previous prime is 56787847. The next prime is 56787881. The reversal of 56787876 is 67878765.

56787876 is a `hidden beast` number, since 567 + 8 + 7 + 8 + 76 = 666.

56787876 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is a tau number, because it is divible by the number of its divisors (36).

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 14965 + ... + 18371.

Almost surely, 2^56787876 is an apocalyptic number.

It is an amenable number.

56787876 is an abundant number, since it is smaller than the sum of its proper divisors (87111516).

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

56787876 is a wasteful number, since it uses less digits than its factorization.

56787876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3880 (or 3875 counting only the distinct ones).

The product of its digits is 3951360, while the sum is 54.

The square root of 56787876 is about 7535.7730857557. The cubic root of 56787876 is about 384.3721164963.

The spelling of 56787876 in words is "fifty-six million, seven hundred eighty-seven thousand, eight hundred seventy-six".