109419777 has 12 divisors (see below), whose sum is σ = 160410640. Its totient is φ = 71857368.

The previous prime is 109419757. The next prime is 109419799. The reversal of 109419777 is 777914901.

It is not a de Polignac number, because 109419777 - 2⁸ = 109419521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109419707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90127 + ... + 91332.

Almost surely, 2^109419777 is an apocalyptic number.

It is an amenable number.

109419777 is a deficient number, since it is larger than the sum of its proper divisors (50990863).

109419777 is a wasteful number, since it uses less digits than its factorization.

109419777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181532 (or 181529 counting only the distinct ones).

The product of its (nonzero) digits is 111132, while the sum is 45.

The square root of 109419777 is about 10460.3908626781. The cubic root of 109419777 is about 478.2980479852.

The spelling of 109419777 in words is "one hundred nine million, four hundred nineteen thousand, seven hundred seventy-seven".