109079777919 has 16 divisors (see below), whose sum is σ = 166229057792. Its totient is φ = 62326706688.

The previous prime is 109079777899. The next prime is 109079777923. The reversal of 109079777919 is 919777970901.

It is not a de Polignac number, because 109079777919 - 2⁵ = 109079777887 is a prime.

It is a super-2 number, since 2×109079777919² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 109079777919.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109079777419) 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, 111327 + ... + 480159.

It is an arithmetic number, because the mean of its divisors is an integer number (10389316112).

Almost surely, 2^109079777919 is an apocalyptic number.

109079777919 is a deficient number, since it is larger than the sum of its proper divisors (57149279873).

109079777919 is a wasteful number, since it uses less digits than its factorization.

109079777919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382926.

The product of its (nonzero) digits is 15752961, while the sum is 66.

The spelling of 109079777919 in words is "one hundred nine billion, seventy-nine million, seven hundred seventy-seven thousand, nine hundred nineteen".