56780365798 has 8 divisors (see below), whose sum is σ = 91722129408. Its totient is φ = 26206322664.

The previous prime is 56780365751. The next prime is 56780365813. The reversal of 56780365798 is 89756308765.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1091930086 + ... + 1091930137.

It is an arithmetic number, because the mean of its divisors is an integer number (11465266176).

Almost surely, 2^56780365798 is an apocalyptic number.

56780365798 is a deficient number, since it is larger than the sum of its proper divisors (34941763610).

56780365798 is a wasteful number, since it uses less digits than its factorization.

56780365798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2183860238.

The product of its (nonzero) digits is 76204800, while the sum is 64.

The spelling of 56780365798 in words is "fifty-six billion, seven hundred eighty million, three hundred sixty-five thousand, seven hundred ninety-eight".