385688171582 has 32 divisors (see below), whose sum is σ = 683086915584. Its totient is φ = 159827176800.

The previous prime is 385688171579. The next prime is 385688171591. The reversal of 385688171582 is 285171886583.

It is a Harshad number since it is a multiple of its sum of digits (62).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136313 + ... + 888795.

It is an arithmetic number, because the mean of its divisors is an integer number (21346466112).

Almost surely, 2^385688171582 is an apocalyptic number.

385688171582 is a deficient number, since it is larger than the sum of its proper divisors (297398744002).

385688171582 is a wasteful number, since it uses less digits than its factorization.

385688171582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 753704.

The product of its digits is 25804800, while the sum is 62.

The spelling of 385688171582 in words is "three hundred eighty-five billion, six hundred eighty-eight million, one hundred seventy-one thousand, five hundred eighty-two".