109078868 has 12 divisors (see below), whose sum is σ = 202116852. Its totient is φ = 51331200.

The previous prime is 109078859. The next prime is 109078897. The reversal of 109078868 is 868870901.

It can be written as a sum of positive squares in 2 ways, for example, as 91623184 + 17455684 = 9572^2 + 4178^2 .

It is a super-2 number, since 2×109078868² = 23796398888322848, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 801983 + ... + 802118.

It is an arithmetic number, because the mean of its divisors is an integer number (16843071).

Almost surely, 2^109078868 is an apocalyptic number.

It is an amenable number.

109078868 is a deficient number, since it is larger than the sum of its proper divisors (93037984).

109078868 is a wasteful number, since it uses less digits than its factorization.

109078868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1604122 (or 1604120 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 47.

The square root of 109078868 is about 10444.0829180929. The cubic root of 109078868 is about 477.8008016708.

The spelling of 109078868 in words is "one hundred nine million, seventy-eight thousand, eight hundred sixty-eight".