56778327 has 40 divisors (see below), whose sum is σ = 90604800. Its totient is φ = 35330256.

The previous prime is 56778307. The next prime is 56778331. The reversal of 56778327 is 72387765.

56778327 is a `hidden beast` number, since 567 + 7 + 83 + 2 + 7 = 666.

It is not a de Polignac number, because 56778327 - 2⁷ = 56778199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56778307) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 121348 + ... + 121814.

It is an arithmetic number, because the mean of its divisors is an integer number (2265120).

Almost surely, 2^56778327 is an apocalyptic number.

56778327 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

56778327 is a deficient number, since it is larger than the sum of its proper divisors (33826473).

56778327 is a wasteful number, since it uses less digits than its factorization.

56778327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577 (or 568 counting only the distinct ones).

The product of its digits is 493920, while the sum is 45.

The square root of 56778327 is about 7535.1394811244. The cubic root of 56778327 is about 384.3505709638.

The spelling of 56778327 in words is "fifty-six million, seven hundred seventy-eight thousand, three hundred twenty-seven".