57778280823 has 8 divisors (see below), whose sum is σ = 77121539200. Its totient is φ = 38476938168.

The previous prime is 57778280803. The next prime is 57778280837. The reversal of 57778280823 is 32808287775.

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

It is not a de Polignac number, because 57778280823 - 2¹³ = 57778272631 is a prime.

It is a super-2 number, since 2×57778280823² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57778280803) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 10475713 + ... + 10481226.

It is an arithmetic number, because the mean of its divisors is an integer number (9640192400).

Almost surely, 2^57778280823 is an apocalyptic number.

57778280823 is a deficient number, since it is larger than the sum of its proper divisors (19343258377).

57778280823 is a wasteful number, since it uses less digits than its factorization.

57778280823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20957861.

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

The spelling of 57778280823 in words is "fifty-seven billion, seven hundred seventy-eight million, two hundred eighty thousand, eight hundred twenty-three".