385700818772 has 12 divisors (see below), whose sum is σ = 677602802100. Its totient is φ = 192100018176.

The previous prime is 385700818759. The next prime is 385700818787. The reversal of 385700818772 is 277818007583.

It can be written as a sum of positive squares in 2 ways, for example, as 317874950416 + 67825868356 = 563804^2 + 260434^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187596647 + ... + 187598702.

It is an arithmetic number, because the mean of its divisors is an integer number (56466900175).

Almost surely, 2^385700818772 is an apocalyptic number.

It is an amenable number.

385700818772 is a deficient number, since it is larger than the sum of its proper divisors (291901983328).

385700818772 is a wasteful number, since it uses less digits than its factorization.

385700818772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375195610 (or 375195608 counting only the distinct ones).

The product of its (nonzero) digits is 5268480, while the sum is 56.

The spelling of 385700818772 in words is "three hundred eighty-five billion, seven hundred million, eight hundred eighteen thousand, seven hundred seventy-two".