109774775 has 12 divisors (see below), whose sum is σ = 148495704. Its totient is φ = 79836000.

The previous prime is 109774771. The next prime is 109774781. The reversal of 109774775 is 577477901.

It is a happy number.

It is not a de Polignac number, because 109774775 - 2² = 109774771 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109774771) 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, 199316 + ... + 199865.

It is an arithmetic number, because the mean of its divisors is an integer number (12374642).

Almost surely, 2^109774775 is an apocalyptic number.

109774775 is a deficient number, since it is larger than the sum of its proper divisors (38720929).

109774775 is a wasteful number, since it uses less digits than its factorization.

109774775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399202 (or 399197 counting only the distinct ones).

The product of its (nonzero) digits is 432180, while the sum is 47.

The square root of 109774775 is about 10477.3457993902. The cubic root of 109774775 is about 478.8147478595.

The spelling of 109774775 in words is "one hundred nine million, seven hundred seventy-four thousand, seven hundred seventy-five".