385701686586 has 96 divisors (see below), whose sum is σ = 846731890368. Its totient is φ = 126881798400.

The previous prime is 385701686519. The next prime is 385701686593. The reversal of 385701686586 is 685686107583.

It is a happy number.

385701686586 is a `hidden beast` number, since 3 + 8 + 570 + 1 + 6 + 8 + 6 + 58 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 550216036 + ... + 550216736.

It is an arithmetic number, because the mean of its divisors is an integer number (8820123858).

Almost surely, 2^385701686586 is an apocalyptic number.

385701686586 is an abundant number, since it is smaller than the sum of its proper divisors (461030203782).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

385701686586 is a wasteful number, since it uses less digits than its factorization.

385701686586 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1836 (or 1833 counting only the distinct ones).

The product of its (nonzero) digits is 58060800, while the sum is 63.

The spelling of 385701686586 in words is "three hundred eighty-five billion, seven hundred one million, six hundred eighty-six thousand, five hundred eighty-six".