109773047 has 4 divisors (see below), whose sum is σ = 109816560. Its totient is φ = 109729536.

The previous prime is 109773019. The next prime is 109773067. The reversal of 109773047 is 740377901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 740377901 = 3779 ⋅195919.

It is a cyclic number.

It is not a de Polignac number, because 109773047 - 2¹⁴ = 109756663 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 109773047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109773007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17723 + ... + 23100.

It is an arithmetic number, because the mean of its divisors is an integer number (27454140).

Almost surely, 2^109773047 is an apocalyptic number.

109773047 is a deficient number, since it is larger than the sum of its proper divisors (43513).

109773047 is an equidigital number, since it uses as much as digits as its factorization.

109773047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43512.

The product of its (nonzero) digits is 37044, while the sum is 38.

The square root of 109773047 is about 10477.2633354326. The cubic root of 109773047 is about 478.8122354540.

The spelling of 109773047 in words is "one hundred nine million, seven hundred seventy-three thousand, forty-seven".