109628793687 has 8 divisors (see below), whose sum is σ = 167053399936. Its totient is φ = 62645024952.

The previous prime is 109628793667. The next prime is 109628793689. The reversal of 109628793687 is 786397826901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 109628793687 - 2¹¹ = 109628791639 is a prime.

It is a super-2 number, since 2×109628793687² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109628793689) 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, 2610209353 + ... + 2610209394.

It is an arithmetic number, because the mean of its divisors is an integer number (20881674992).

Almost surely, 2^109628793687 is an apocalyptic number.

109628793687 is a deficient number, since it is larger than the sum of its proper divisors (57424606249).

109628793687 is an equidigital number, since it uses as much as digits as its factorization.

109628793687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5220418757.

The product of its (nonzero) digits is 54867456, while the sum is 66.

The spelling of 109628793687 in words is "one hundred nine billion, six hundred twenty-eight million, seven hundred ninety-three thousand, six hundred eighty-seven".