385087155764 has 12 divisors (see below), whose sum is σ = 673913609124. Its totient is φ = 192540410304.

The previous prime is 385087155757. The next prime is 385087155781. The reversal of 385087155764 is 467551780583.

It can be written as a sum of positive squares in 2 ways, for example, as 170123251600 + 214963904164 = 412460^2 + 463642^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 506969 + ... + 1013504.

It is an arithmetic number, because the mean of its divisors is an integer number (56159467427).

Almost surely, 2^385087155764 is an apocalyptic number.

It is an amenable number.

385087155764 is a deficient number, since it is larger than the sum of its proper divisors (288826453360).

385087155764 is a wasteful number, since it uses less digits than its factorization.

385087155764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1583794 (or 1583792 counting only the distinct ones).

The product of its (nonzero) digits is 28224000, while the sum is 59.

The spelling of 385087155764 in words is "three hundred eighty-five billion, eighty-seven million, one hundred fifty-five thousand, seven hundred sixty-four".