386027131657 has 4 divisors (see below), whose sum is σ = 386028876816. Its totient is φ = 386025386500.

The previous prime is 386027131621. The next prime is 386027131663. The reversal of 386027131657 is 756131720683.

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, and also an emirpimes, since its reverse is a distinct semiprime: 756131720683 = 6067 ⋅124630249.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-386027131657 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 386027131657.

It is not an unprimeable number, because it can be changed into a prime (386027131667) 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, 482719 + ... + 1002532.

It is an arithmetic number, because the mean of its divisors is an integer number (96507219204).

Almost surely, 2^386027131657 is an apocalyptic number.

It is an amenable number.

386027131657 is a deficient number, since it is larger than the sum of its proper divisors (1745159).

386027131657 is a wasteful number, since it uses less digits than its factorization.

386027131657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1745158.

The product of its (nonzero) digits is 1270080, while the sum is 49.

The spelling of 386027131657 in words is "three hundred eighty-six billion, twenty-seven million, one hundred thirty-one thousand, six hundred fifty-seven".