5578765205856 has 96 divisors (see below), whose sum is σ = 15536150995680. Its totient is φ = 1746762080256.

The previous prime is 5578765205837. The next prime is 5578765205857. The reversal of 5578765205856 is 6585025678755.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×5578765205856² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5578765205857) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2527231 + ... + 4188606.

It is an arithmetic number, because the mean of its divisors is an integer number (161834906205).

Almost surely, 2^{5578765205856} is an apocalyptic number.

It is an amenable number.

5578765205856 is an abundant number, since it is smaller than the sum of its proper divisors (9957385789824).

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

5578765205856 is a wasteful number, since it uses less digits than its factorization.

5578765205856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6716376 (or 6716368 counting only the distinct ones).

The product of its (nonzero) digits is 705600000, while the sum is 69.

The spelling of 5578765205856 in words is "five trillion, five hundred seventy-eight billion, seven hundred sixty-five million, two hundred five thousand, eight hundred fifty-six".