103780889 has 4 divisors (see below), whose sum is σ = 103845924. Its totient is φ = 103715856.

The previous prime is 103780883. The next prime is 103780891. The reversal of 103780889 is 988087301.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16974400 + 86806489 = 4120^2 + 9317^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103780889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103780883) 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, 30062 + ... + 33335.

It is an arithmetic number, because the mean of its divisors is an integer number (25961481).

Almost surely, 2^103780889 is an apocalyptic number.

It is an amenable number.

103780889 is a deficient number, since it is larger than the sum of its proper divisors (65035).

103780889 is an equidigital number, since it uses as much as digits as its factorization.

103780889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65034.

The product of its (nonzero) digits is 96768, while the sum is 44.

The square root of 103780889 is about 10187.2905622643. The cubic root of 103780889 is about 469.9364468164.

The spelling of 103780889 in words is "one hundred three million, seven hundred eighty thousand, eight hundred eighty-nine".