109794187768 has 8 divisors (see below), whose sum is σ = 205864102080. Its totient is φ = 54897093880.

The previous prime is 109794187757. The next prime is 109794187831. The reversal of 109794187768 is 867781497901.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6862136728 + ... + 6862136743.

It is an arithmetic number, because the mean of its divisors is an integer number (25733012760).

Almost surely, 2^109794187768 is an apocalyptic number.

It is an amenable number.

109794187768 is a deficient number, since it is larger than the sum of its proper divisors (96069914312).

109794187768 is a wasteful number, since it uses less digits than its factorization.

109794187768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13724273477 (or 13724273473 counting only the distinct ones).

The product of its (nonzero) digits is 42674688, while the sum is 67.

The spelling of 109794187768 in words is "one hundred nine billion, seven hundred ninety-four million, one hundred eighty-seven thousand, seven hundred sixty-eight".