109216377 has 8 divisors (see below), whose sum is σ = 161802080. Its totient is φ = 72810900.

The previous prime is 109216339. The next prime is 109216399. The reversal of 109216377 is 773612901.

It is a happy number.

109216377 is a `hidden beast` number, since 10 + 9 + 2 + 1 + 637 + 7 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-109216377 is a prime.

It is a super-2 number, since 2×109216377² = 23856434010012258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109216477) 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 7 ways as a sum of consecutive naturals, for example, 2022499 + ... + 2022552.

It is an arithmetic number, because the mean of its divisors is an integer number (20225260).

Almost surely, 2^109216377 is an apocalyptic number.

It is an amenable number.

109216377 is a deficient number, since it is larger than the sum of its proper divisors (52585703).

109216377 is an equidigital number, since it uses as much as digits as its factorization.

109216377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4045060 (or 4045054 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 36.

The square root of 109216377 is about 10450.6639501995. The cubic root of 109216377 is about 478.0014953590.

The spelling of 109216377 in words is "one hundred nine million, two hundred sixteen thousand, three hundred seventy-seven".