109780927 has 2 divisors, whose sum is σ = 109780928. Its totient is φ = 109780926.

The previous prime is 109780919. The next prime is 109780939. The reversal of 109780927 is 729087901.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 109780927 - 2³ = 109780919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109780327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54890463 + 54890464.

It is an arithmetic number, because the mean of its divisors is an integer number (54890464).

Almost surely, 2^109780927 is an apocalyptic number.

109780927 is a deficient number, since it is larger than the sum of its proper divisors (1).

109780927 is an equidigital number, since it uses as much as digits as its factorization.

109780927 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63504, while the sum is 43.

The square root of 109780927 is about 10477.6393810820. The cubic root of 109780927 is about 478.8236922741.

The spelling of 109780927 in words is "one hundred nine million, seven hundred eighty thousand, nine hundred twenty-seven".