386777385 has 24 divisors (see below), whose sum is σ = 670984704. Its totient is φ = 206105760.

The previous prime is 386777383. The next prime is 386777401. The reversal of 386777385 is 583777683.

It is not a de Polignac number, because 386777385 - 2¹ = 386777383 is a prime.

It is not an unprimeable number, because it can be changed into a prime (386777383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63274 + ... + 69116.

It is an arithmetic number, because the mean of its divisors is an integer number (27957696).

Almost surely, 2^386777385 is an apocalyptic number.

It is an amenable number.

386777385 is a deficient number, since it is larger than the sum of its proper divisors (284207319).

386777385 is a wasteful number, since it uses less digits than its factorization.

386777385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7325 (or 7322 counting only the distinct ones).

The product of its digits is 5927040, while the sum is 54.

The square root of 386777385 is about 19666.6566807884. The cubic root of 386777385 is about 728.5964053886.

The spelling of 386777385 in words is "three hundred eighty-six million, seven hundred seventy-seven thousand, three hundred eighty-five".