818027528057 has 4 divisors (see below), whose sum is σ = 824272013136. Its totient is φ = 811783042980.

The previous prime is 818027528039. The next prime is 818027528083. The reversal of 818027528057 is 750825720818.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 818027528057 - 2¹² = 818027523961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (818027528557) 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, 3122242343 + ... + 3122242604.

It is an arithmetic number, because the mean of its divisors is an integer number (206068003284).

Almost surely, 2^818027528057 is an apocalyptic number.

It is an amenable number.

818027528057 is a deficient number, since it is larger than the sum of its proper divisors (6244485079).

818027528057 is a wasteful number, since it uses less digits than its factorization.

818027528057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6244485078.

The product of its (nonzero) digits is 2508800, while the sum is 53.

The spelling of 818027528057 in words is "eight hundred eighteen billion, twenty-seven million, five hundred twenty-eight thousand, fifty-seven".