109780039 has 4 divisors (see below), whose sum is σ = 109870024. Its totient is φ = 109690056.

The previous prime is 109780037. The next prime is 109780049. The reversal of 109780039 is 930087901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 930087901 = 17 ⋅54711053.

It is a cyclic number.

It is not a de Polignac number, because 109780039 - 2¹ = 109780037 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109780037) 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, 43137 + ... + 45610.

It is an arithmetic number, because the mean of its divisors is an integer number (27467506).

Almost surely, 2^109780039 is an apocalyptic number.

109780039 is a deficient number, since it is larger than the sum of its proper divisors (89985).

109780039 is an equidigital number, since it uses as much as digits as its factorization.

109780039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89984.

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 109780039 is about 10477.5970050389. The cubic root of 109780039 is about 478.8224012284.

The spelling of 109780039 in words is "one hundred nine million, seven hundred eighty thousand, thirty-nine".