109783695778 has 16 divisors (see below), whose sum is σ = 171399142080. Its totient is φ = 52673873616.

The previous prime is 109783695773. The next prime is 109783695787. The reversal of 109783695778 is 877596387901.

It is not an unprimeable number, because it can be changed into a prime (109783695773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5796750 + ... + 5815657.

It is an arithmetic number, because the mean of its divisors is an integer number (10712446380).

Almost surely, 2^109783695778 is an apocalyptic number.

109783695778 is a deficient number, since it is larger than the sum of its proper divisors (61615446302).

109783695778 is a wasteful number, since it uses less digits than its factorization.

109783695778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11612601.

The product of its (nonzero) digits is 160030080, while the sum is 70.

The spelling of 109783695778 in words is "one hundred nine billion, seven hundred eighty-three million, six hundred ninety-five thousand, seven hundred seventy-eight".