108893778 has 24 divisors (see below), whose sum is σ = 253345392. Its totient is φ = 31112424.

The previous prime is 108893777. The next prime is 108893797. The reversal of 108893778 is 877398801.

It is a super-2 number, since 2×108893778² = 23715709774226568, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 108893778.

It is not an unprimeable number, because it can be changed into a prime (108893777) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 184900 + ... + 185487.

It is an arithmetic number, because the mean of its divisors is an integer number (10556058).

Almost surely, 2^108893778 is an apocalyptic number.

108893778 is an abundant number, since it is smaller than the sum of its proper divisors (144451614).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

108893778 is a wasteful number, since it uses less digits than its factorization.

108893778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370406 (or 370399 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 51.

The square root of 108893778 is about 10435.2181577579. The cubic root of 108893778 is about 477.5303972681.

The spelling of 108893778 in words is "one hundred eight million, eight hundred ninety-three thousand, seven hundred seventy-eight".