108387667 has 4 divisors (see below), whose sum is σ = 110164576. Its totient is φ = 106610760.

The previous prime is 108387637. The next prime is 108387673. The reversal of 108387667 is 766783801.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-108387667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108387637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 888363 + ... + 888484.

It is an arithmetic number, because the mean of its divisors is an integer number (27541144).

Almost surely, 2^108387667 is an apocalyptic number.

108387667 is a deficient number, since it is larger than the sum of its proper divisors (1776909).

108387667 is an equidigital number, since it uses as much as digits as its factorization.

108387667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1776908.

The product of its (nonzero) digits is 338688, while the sum is 46.

The square root of 108387667 is about 10410.9397750635. The cubic root of 108387667 is about 476.7894342578.

The spelling of 108387667 in words is "one hundred eight million, three hundred eighty-seven thousand, six hundred sixty-seven".