104780539 has 4 divisors (see below), whose sum is σ = 104801040. Its totient is φ = 104760040.

The previous prime is 104780491. The next prime is 104780579. The reversal of 104780539 is 935087401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 935087401 = 59 ⋅15848939.

It is a cyclic number.

It is not a de Polignac number, because 104780539 - 2¹⁵ = 104747771 is a prime.

It is a super-2 number, since 2×104780539² = 21957922706261042, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 104780498 and 104780507.

It is not an unprimeable number, because it can be changed into a prime (104780579) 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, 4329 + ... + 15109.

It is an arithmetic number, because the mean of its divisors is an integer number (26200260).

Almost surely, 2^104780539 is an apocalyptic number.

104780539 is a deficient number, since it is larger than the sum of its proper divisors (20501).

104780539 is an equidigital number, since it uses as much as digits as its factorization.

104780539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20500.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 104780539 is about 10236.2365642847. The cubic root of 104780539 is about 471.4404862833.

The spelling of 104780539 in words is "one hundred four million, seven hundred eighty thousand, five hundred thirty-nine".