57806028823 has 4 divisors (see below), whose sum is σ = 60319334448. Its totient is φ = 55292723200.

The previous prime is 57806028821. The next prime is 57806028851. The reversal of 57806028823 is 32882060875.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 57806028823 - 2¹ = 57806028821 is a prime.

It is a super-3 number, since 3×57806028823³ (a number of 33 digits) contains 333 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 (57806028821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1256652778 + ... + 1256652823.

It is an arithmetic number, because the mean of its divisors is an integer number (15079833612).

Almost surely, 2^57806028823 is an apocalyptic number.

57806028823 is a deficient number, since it is larger than the sum of its proper divisors (2513305625).

57806028823 is a wasteful number, since it uses less digits than its factorization.

57806028823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2513305624.

The product of its (nonzero) digits is 1290240, while the sum is 49.

The spelling of 57806028823 in words is "fifty-seven billion, eight hundred six million, twenty-eight thousand, eight hundred twenty-three".