57168421827 has 8 divisors (see below), whose sum is σ = 83154068160. Its totient is φ = 34647528360.

The previous prime is 57168421813. The next prime is 57168421859. The reversal of 57168421827 is 72812486175.

It is a happy number.

57168421827 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 57168421827 - 2²⁰ = 57167373251 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57168421827.

It is not an unprimeable number, because it can be changed into a prime (57168425827) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 866188177 + ... + 866188242.

It is an arithmetic number, because the mean of its divisors is an integer number (10394258520).

Almost surely, 2^57168421827 is an apocalyptic number.

57168421827 is a deficient number, since it is larger than the sum of its proper divisors (25985646333).

57168421827 is a wasteful number, since it uses less digits than its factorization.

57168421827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1732376433.

The product of its digits is 1505280, while the sum is 51.

The spelling of 57168421827 in words is "fifty-seven billion, one hundred sixty-eight million, four hundred twenty-one thousand, eight hundred twenty-seven".