105087839 has 2 divisors, whose sum is σ = 105087840. Its totient is φ = 105087838.

The previous prime is 105087823. The next prime is 105087847. The reversal of 105087839 is 938780501.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 105087839 - 2⁴ = 105087823 is a prime.

It is a super-2 number, since 2×105087839² = 22086907811379842, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 105087796 and 105087805.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105087869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52543919 + 52543920.

It is an arithmetic number, because the mean of its divisors is an integer number (52543920).

Almost surely, 2^105087839 is an apocalyptic number.

105087839 is a deficient number, since it is larger than the sum of its proper divisors (1).

105087839 is an equidigital number, since it uses as much as digits as its factorization.

105087839 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 41.

The square root of 105087839 is about 10251.2359742618. The cubic root of 105087839 is about 471.9009161329.

The spelling of 105087839 in words is "one hundred five million, eighty-seven thousand, eight hundred thirty-nine".