56814470778 has 32 divisors (see below), whose sum is σ = 126589276800. Its totient is φ = 16878568896.

The previous prime is 56814470773. The next prime is 56814470803. The reversal of 56814470778 is 87707441865.

It is not an unprimeable number, because it can be changed into a prime (56814470771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12556198 + ... + 12560721.

It is an arithmetic number, because the mean of its divisors is an integer number (3955914900).

Almost surely, 2^56814470778 is an apocalyptic number.

56814470778 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

56814470778 is an abundant number, since it is smaller than the sum of its proper divisors (69774806022).

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

56814470778 is a wasteful number, since it uses less digits than its factorization.

56814470778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25116966.

The product of its (nonzero) digits is 10536960, while the sum is 57.

The spelling of 56814470778 in words is "fifty-six billion, eight hundred fourteen million, four hundred seventy thousand, seven hundred seventy-eight".