57143660387 has 16 divisors (see below), whose sum is σ = 66054117120. Its totient is φ = 48888684000.

The previous prime is 57143660383. The next prime is 57143660389. The reversal of 57143660387 is 78306634175.

57143660387 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 57143660387 - 2² = 57143660383 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57143660383) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 873788 + ... + 936905.

It is an arithmetic number, because the mean of its divisors is an integer number (4128382320).

Almost surely, 2^57143660387 is an apocalyptic number.

57143660387 is a deficient number, since it is larger than the sum of its proper divisors (8910456733).

57143660387 is a wasteful number, since it uses less digits than its factorization.

57143660387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1810874.

The product of its (nonzero) digits is 2540160, while the sum is 50.

The spelling of 57143660387 in words is "fifty-seven billion, one hundred forty-three million, six hundred sixty thousand, three hundred eighty-seven".