385777742 has 16 divisors (see below), whose sum is σ = 663798240. Its totient is φ = 164717088.

The previous prime is 385777741. The next prime is 385777747. The reversal of 385777742 is 247777583.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385777741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47453 + ... + 54984.

It is an arithmetic number, because the mean of its divisors is an integer number (41487390).

Almost surely, 2^385777742 is an apocalyptic number.

385777742 is a deficient number, since it is larger than the sum of its proper divisors (278020498).

385777742 is a wasteful number, since it uses less digits than its factorization.

385777742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102715.

The product of its digits is 2304960, while the sum is 50.

The square root of 385777742 is about 19641.2255727589. The cubic root of 385777742 is about 727.9681674585.

The spelling of 385777742 in words is "three hundred eighty-five million, seven hundred seventy-seven thousand, seven hundred forty-two".