109785963 has 16 divisors (see below), whose sum is σ = 167847680. Its totient is φ = 62526816.

The previous prime is 109785947. The next prime is 109785979. The reversal of 109785963 is 369587901.

It is an interprime number because it is at equal distance from previous prime (109785947) and next prime (109785979).

It is not a de Polignac number, because 109785963 - 2⁴ = 109785947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (109785943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2068 + ... + 14961.

It is an arithmetic number, because the mean of its divisors is an integer number (10490480).

Almost surely, 2^109785963 is an apocalyptic number.

109785963 is a deficient number, since it is larger than the sum of its proper divisors (58061717).

109785963 is a wasteful number, since it uses less digits than its factorization.

109785963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17346.

The product of its (nonzero) digits is 408240, while the sum is 48.

The square root of 109785963 is about 10477.8796996339. The cubic root of 109785963 is about 478.8310138836.

The spelling of 109785963 in words is "one hundred nine million, seven hundred eighty-five thousand, nine hundred sixty-three".