57866667823 has 4 divisors (see below), whose sum is σ = 59212404328. Its totient is φ = 56520931320.

The previous prime is 57866667821. The next prime is 57866667847. The reversal of 57866667823 is 32876666875.

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 57866667823 - 2¹ = 57866667821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57866667821) 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, 672868188 + ... + 672868273.

It is an arithmetic number, because the mean of its divisors is an integer number (14803101082).

Almost surely, 2^57866667823 is an apocalyptic number.

57866667823 is a deficient number, since it is larger than the sum of its proper divisors (1345736505).

57866667823 is a wasteful number, since it uses less digits than its factorization.

57866667823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1345736504.

The product of its digits is 121927680, while the sum is 64.

The spelling of 57866667823 in words is "fifty-seven billion, eight hundred sixty-six million, six hundred sixty-seven thousand, eight hundred twenty-three".