109777349 has 4 divisors (see below), whose sum is σ = 119757120. Its totient is φ = 99797580.

The previous prime is 109777337. The next prime is 109777351. The reversal of 109777349 is 943777901.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 943777901 = 11 ⋅85797991.

It is a cyclic number.

It is not a de Polignac number, because 109777349 - 2¹² = 109773253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109777319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4989869 + ... + 4989890.

It is an arithmetic number, because the mean of its divisors is an integer number (29939280).

Almost surely, 2^109777349 is an apocalyptic number.

It is an amenable number.

109777349 is a deficient number, since it is larger than the sum of its proper divisors (9979771).

109777349 is an equidigital number, since it uses as much as digits as its factorization.

109777349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9979770.

The product of its (nonzero) digits is 333396, while the sum is 47.

The square root of 109777349 is about 10477.4686351237. The cubic root of 109777349 is about 478.8184902479.

The spelling of 109777349 in words is "one hundred nine million, seven hundred seventy-seven thousand, three hundred forty-nine".