104567779 has 4 divisors (see below), whose sum is σ = 104781240. Its totient is φ = 104354320.

The previous prime is 104567767. The next prime is 104567807. The reversal of 104567779 is 977765401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 977765401 = 61 ⋅16028941.

It is a cyclic number.

It is not a de Polignac number, because 104567779 - 2¹⁷ = 104436707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104567719) 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, 105994 + ... + 106975.

It is an arithmetic number, because the mean of its divisors is an integer number (26195310).

Almost surely, 2^104567779 is an apocalyptic number.

104567779 is a deficient number, since it is larger than the sum of its proper divisors (213461).

104567779 is an equidigital number, since it uses as much as digits as its factorization.

104567779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213460.

The product of its (nonzero) digits is 370440, while the sum is 46.

The square root of 104567779 is about 10225.8387920014. The cubic root of 104567779 is about 471.1211787561.

The spelling of 104567779 in words is "one hundred four million, five hundred sixty-seven thousand, seven hundred seventy-nine".