108978256 has 10 divisors (see below), whose sum is σ = 211145402. Its totient is φ = 54489120.

The previous prime is 108978241. The next prime is 108978271. The reversal of 108978256 is 652879801.

It is an interprime number because it is at equal distance from previous prime (108978241) and next prime (108978271).

It can be written as a sum of positive squares in only one way, i.e., 107329600 + 1648656 = 10360^2 + 1284^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3405555 + ... + 3405586.

Almost surely, 2^108978256 is an apocalyptic number.

108978256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

108978256 is a deficient number, since it is larger than the sum of its proper divisors (102167146).

108978256 is an equidigital number, since it uses as much as digits as its factorization.

108978256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6811149 (or 6811143 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 46.

The square root of 108978256 is about 10439.2651082344. The cubic root of 108978256 is about 477.6538520887.

The spelling of 108978256 in words is "one hundred eight million, nine hundred seventy-eight thousand, two hundred fifty-six".