57378815385 has 16 divisors (see below), whose sum is σ = 91810502784. Its totient is φ = 30600568832.

The previous prime is 57378815371. The next prime is 57378815393. The reversal of 57378815385 is 58351887375.

It is a cyclic number.

It is not a de Polignac number, because 57378815385 - 2⁸ = 57378815129 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 280729 + ... + 439961.

It is an arithmetic number, because the mean of its divisors is an integer number (5738156424).

Almost surely, 2^57378815385 is an apocalyptic number.

It is an amenable number.

57378815385 is a deficient number, since it is larger than the sum of its proper divisors (34431687399).

57378815385 is a wasteful number, since it uses less digits than its factorization.

57378815385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183264.

The product of its digits is 28224000, while the sum is 60.

The spelling of 57378815385 in words is "fifty-seven billion, three hundred seventy-eight million, eight hundred fifteen thousand, three hundred eighty-five".