104684390879 has 4 divisors (see below), whose sum is σ = 105860620080. Its totient is φ = 103508161680.

The previous prime is 104684390861. The next prime is 104684390887. The reversal of 104684390879 is 978093486401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 978093486401 = 3361 ⋅291012641.

It is a cyclic number.

It is not a de Polignac number, because 104684390879 - 2³² = 100389423583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104684390779) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 588114467 + ... + 588114644.

It is an arithmetic number, because the mean of its divisors is an integer number (26465155020).

Almost surely, 2^104684390879 is an apocalyptic number.

104684390879 is a deficient number, since it is larger than the sum of its proper divisors (1176229201).

104684390879 is an equidigital number, since it uses as much as digits as its factorization.

104684390879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1176229200.

The product of its (nonzero) digits is 10450944, while the sum is 59.

The spelling of 104684390879 in words is "one hundred four billion, six hundred eighty-four million, three hundred ninety thousand, eight hundred seventy-nine".