104143779 has 16 divisors (see below), whose sum is σ = 154573440. Its totient is φ = 69300360.

The previous prime is 104143757. The next prime is 104143783. The reversal of 104143779 is 977341401.

It is not a de Polignac number, because 104143779 - 2²⁴ = 87366563 is a prime.

It is not an unprimeable number, because it can be changed into a prime (104143709) 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, 12564 + ... + 19134.

It is an arithmetic number, because the mean of its divisors is an integer number (9660840).

Almost surely, 2^104143779 is an apocalyptic number.

104143779 is a deficient number, since it is larger than the sum of its proper divisors (50429661).

104143779 is an equidigital number, since it uses as much as digits as its factorization.

104143779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7167 (or 7161 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 104143779 is about 10205.0859379037. The cubic root of 104143779 is about 470.4835509259.

The spelling of 104143779 in words is "one hundred four million, one hundred forty-three thousand, seven hundred seventy-nine".