104071785 has 16 divisors (see below), whose sum is σ = 168233856. Its totient is φ = 54931968.

The previous prime is 104071769. The next prime is 104071789. The reversal of 104071785 is 587170401.

It is not a de Polignac number, because 104071785 - 2⁴ = 104071769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (104071789) 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, 34309 + ... + 37218.

It is an arithmetic number, because the mean of its divisors is an integer number (10514616).

Almost surely, 2^104071785 is an apocalyptic number.

104071785 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

104071785 is a deficient number, since it is larger than the sum of its proper divisors (64162071).

104071785 is an equidigital number, since it uses as much as digits as its factorization.

104071785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71632.

The product of its (nonzero) digits is 7840, while the sum is 33.

The square root of 104071785 is about 10201.5579692516. The cubic root of 104071785 is about 470.3751117365.

The spelling of 104071785 in words is "one hundred four million, seventy-one thousand, seven hundred eighty-five".