109807887619 has 16 divisors (see below), whose sum is σ = 118297221120. Its totient is φ = 101556524160.

The previous prime is 109807887611. The next prime is 109807887643. The reversal of 109807887619 is 916788708901.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 109807887619 - 2³ = 109807887611 is a prime.

It is a super-3 number, since 3×109807887619³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109807887611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89622 + ... + 477124.

It is an arithmetic number, because the mean of its divisors is an integer number (7393576320).

Almost surely, 2^109807887619 is an apocalyptic number.

109807887619 is a deficient number, since it is larger than the sum of its proper divisors (8489333501).

109807887619 is a wasteful number, since it uses less digits than its factorization.

109807887619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387810.

The product of its (nonzero) digits is 12192768, while the sum is 64.

The spelling of 109807887619 in words is "one hundred nine billion, eight hundred seven million, eight hundred eighty-seven thousand, six hundred nineteen".