385775012564 has 24 divisors (see below), whose sum is σ = 699124747776. Its totient is φ = 186065100000.

The previous prime is 385775012521. The next prime is 385775012593. The reversal of 385775012564 is 465210577583.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4963187 + ... + 5040314.

It is an arithmetic number, because the mean of its divisors is an integer number (29130197824).

Almost surely, 2^385775012564 is an apocalyptic number.

It is an amenable number.

385775012564 is a deficient number, since it is larger than the sum of its proper divisors (313349735212).

385775012564 is a wasteful number, since it uses less digits than its factorization.

385775012564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10003847 (or 10003845 counting only the distinct ones).

The product of its (nonzero) digits is 7056000, while the sum is 53.

The spelling of 385775012564 in words is "three hundred eighty-five billion, seven hundred seventy-five million, twelve thousand, five hundred sixty-four".