108678889 has 8 divisors (see below), whose sum is σ = 119070432. Its totient is φ = 98372640.

The previous prime is 108678883. The next prime is 108678967. The reversal of 108678889 is 988876801.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 108678889 - 2⁷ = 108678761 is a prime.

It is a super-2 number, since 2×108678889² = 23622201828548642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108678883) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18639 + ... + 23764.

It is an arithmetic number, because the mean of its divisors is an integer number (14883804).

Almost surely, 2^108678889 is an apocalyptic number.

It is an amenable number.

108678889 is a deficient number, since it is larger than the sum of its proper divisors (10391543).

108678889 is a wasteful number, since it uses less digits than its factorization.

108678889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42647.

The product of its (nonzero) digits is 1548288, while the sum is 55.

The square root of 108678889 is about 10424.9167382766. The cubic root of 108678889 is about 477.2160738185.

The spelling of 108678889 in words is "one hundred eight million, six hundred seventy-eight thousand, eight hundred eighty-nine".