109697387836 has 12 divisors (see below), whose sum is σ = 192120063912. Its totient is φ = 54805941008.

The previous prime is 109697387827. The next prime is 109697387837. The reversal of 109697387836 is 638783796901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109697387837) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 10682455 + ... + 10692718.

It is an arithmetic number, because the mean of its divisors is an integer number (16010005326).

Almost surely, 2^109697387836 is an apocalyptic number.

It is an amenable number.

109697387836 is a deficient number, since it is larger than the sum of its proper divisors (82422676076).

109697387836 is a wasteful number, since it uses less digits than its factorization.

109697387836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21376460 (or 21376458 counting only the distinct ones).

The product of its (nonzero) digits is 82301184, while the sum is 67.

The spelling of 109697387836 in words is "one hundred nine billion, six hundred ninety-seven million, three hundred eighty-seven thousand, eight hundred thirty-six".