386887157 has 2 divisors, whose sum is σ = 386887158. Its totient is φ = 386887156.

The previous prime is 386887141. The next prime is 386887201. The reversal of 386887157 is 751788683.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 385690321 + 1196836 = 19639^2 + 1094^2 .

It is a cyclic number.

It is not a de Polignac number, because 386887157 - 2⁴ = 386887141 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 386887099 and 386887108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (386889157) by changing a digit.

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 as a sum of consecutive naturals, namely, 193443578 + 193443579.

It is an arithmetic number, because the mean of its divisors is an integer number (193443579).

Almost surely, 2^386887157 is an apocalyptic number.

It is an amenable number.

386887157 is a deficient number, since it is larger than the sum of its proper divisors (1).

386887157 is an equidigital number, since it uses as much as digits as its factorization.

386887157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2257920, while the sum is 53.

The square root of 386887157 is about 19669.4472977763. The cubic root of 386887157 is about 728.6653269634.

The spelling of 386887157 in words is "three hundred eighty-six million, eight hundred eighty-seven thousand, one hundred fifty-seven".