387166375 has 16 divisors (see below), whose sum is σ = 484035552. Its totient is φ = 309187200.

The previous prime is 387166349. The next prime is 387166379. The reversal of 387166375 is 573661783.

It is not a de Polignac number, because 387166375 - 2⁵ = 387166343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387166379) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77967 + ... + 82783.

It is an arithmetic number, because the mean of its divisors is an integer number (30252222).

Almost surely, 2^387166375 is an apocalyptic number.

387166375 is a deficient number, since it is larger than the sum of its proper divisors (96869177).

387166375 is an equidigital number, since it uses as much as digits as its factorization.

387166375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5475 (or 5465 counting only the distinct ones).

The product of its digits is 635040, while the sum is 46.

The square root of 387166375 is about 19676.5437767917. The cubic root of 387166375 is about 728.8405783652.

The spelling of 387166375 in words is "three hundred eighty-seven million, one hundred sixty-six thousand, three hundred seventy-five".