108354778 has 12 divisors (see below), whose sum is σ = 189068202. Its totient is φ = 46437720.

The previous prime is 108354773. The next prime is 108354791. The reversal of 108354778 is 877453801.

It can be written as a sum of positive squares in only one way, i.e., 105740089 + 2614689 = 10283^2 + 1617^2 .

It is not an unprimeable number, because it can be changed into a prime (108354773) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 552733 + ... + 552928.

Almost surely, 2^108354778 is an apocalyptic number.

108354778 is a deficient number, since it is larger than the sum of its proper divisors (80713424).

108354778 is a wasteful number, since it uses less digits than its factorization.

108354778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1105677 (or 1105670 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 43.

The square root of 108354778 is about 10409.3601148197. The cubic root of 108354778 is about 476.7412039426.

The spelling of 108354778 in words is "one hundred eight million, three hundred fifty-four thousand, seven hundred seventy-eight".