56779923411804 has 96 divisors (see below), whose sum is σ = 140753534616576. Its totient is φ = 17753174599680.

The previous prime is 56779923411797. The next prime is 56779923411811. The reversal of 56779923411804 is 40811432997765.

It is an interprime number because it is at equal distance from previous prime (56779923411797) and next prime (56779923411811).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 364580919 + ... + 364736625.

It is an arithmetic number, because the mean of its divisors is an integer number (1466182652256).

It is a 1-persistent number, because it is pandigital, but 2⋅56779923411804 = 113559846823608 is not.

Almost surely, 2^{56779923411804} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56779923411804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70376767308288).

56779923411804 is an abundant number, since it is smaller than the sum of its proper divisors (83973611204772).

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

56779923411804 is a wasteful number, since it uses less digits than its factorization.

56779923411804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161755 (or 161753 counting only the distinct ones).

The product of its (nonzero) digits is 91445760, while the sum is 66.

The spelling of 56779923411804 in words is "fifty-six trillion, seven hundred seventy-nine billion, nine hundred twenty-three million, four hundred eleven thousand, eight hundred four".