108978922 has 16 divisors (see below), whose sum is σ = 183697920. Its totient is φ = 48110832.

The previous prime is 108978913. The next prime is 108978931. The reversal of 108978922 is 229879801.

It is an interprime number because it is at equal distance from previous prime (108978913) and next prime (108978931).

It is a Harshad number since it is a multiple of its sum of digits (46).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 90522 + ... + 91717.

It is an arithmetic number, because the mean of its divisors is an integer number (11481120).

Almost surely, 2^108978922 is an apocalyptic number.

108978922 is a deficient number, since it is larger than the sum of its proper divisors (74718998).

108978922 is a wasteful number, since it uses less digits than its factorization.

108978922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182277.

The product of its (nonzero) digits is 145152, while the sum is 46.

The square root of 108978922 is about 10439.2970069828. The cubic root of 108978922 is about 477.6548251171.

The spelling of 108978922 in words is "one hundred eight million, nine hundred seventy-eight thousand, nine hundred twenty-two".