109782863 has 2 divisors, whose sum is σ = 109782864. Its totient is φ = 109782862.

The previous prime is 109782857. The next prime is 109782877. The reversal of 109782863 is 368287901.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 109782863 - 2¹⁶ = 109717327 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109782823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54891431 + 54891432.

It is an arithmetic number, because the mean of its divisors is an integer number (54891432).

Almost surely, 2^109782863 is an apocalyptic number.

109782863 is a deficient number, since it is larger than the sum of its proper divisors (1).

109782863 is an equidigital number, since it uses as much as digits as its factorization.

109782863 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 109782863 is about 10477.7317678971. The cubic root of 109782863 is about 478.8265069622.

The spelling of 109782863 in words is "one hundred nine million, seven hundred eighty-two thousand, eight hundred sixty-three".