56784406178 has 8 divisors (see below), whose sum is σ = 87924241920. Its totient is φ = 27476325540.

The previous prime is 56784406177. The next prime is 56784406193. The reversal of 56784406178 is 87160448765.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (56784406171) 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 3 ways as a sum of consecutive naturals, for example, 457938698 + ... + 457938821.

It is an arithmetic number, because the mean of its divisors is an integer number (10990530240).

Almost surely, 2^56784406178 is an apocalyptic number.

56784406178 is a deficient number, since it is larger than the sum of its proper divisors (31139835742).

56784406178 is a wasteful number, since it uses less digits than its factorization.

56784406178 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 915877552.

The product of its (nonzero) digits is 9031680, while the sum is 56.

The spelling of 56784406178 in words is "fifty-six billion, seven hundred eighty-four million, four hundred six thousand, one hundred seventy-eight".