104087686 has 4 divisors (see below), whose sum is σ = 156131532. Its totient is φ = 52043842.

The previous prime is 104087663. The next prime is 104087689. The reversal of 104087686 is 686780401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 686780401 = 463 ⋅1483327.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104087689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26021920 + ... + 26021923.

It is an arithmetic number, because the mean of its divisors is an integer number (39032883).

Almost surely, 2^104087686 is an apocalyptic number.

104087686 is a deficient number, since it is larger than the sum of its proper divisors (52043846).

104087686 is an equidigital number, since it uses as much as digits as its factorization.

104087686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52043845.

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 104087686 is about 10202.3372812312. The cubic root of 104087686 is about 470.3990665281.

The spelling of 104087686 in words is "one hundred four million, eighty-seven thousand, six hundred eighty-six".