82059905 has 16 divisors (see below), whose sum is σ = 100108224. Its totient is φ = 64566720.

The previous prime is 82059899. The next prime is 82059911. The reversal of 82059905 is 50995028.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (82059899) and next prime (82059911).

It is not a de Polignac number, because 82059905 - 2⁴ = 82059889 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86735 + ... + 87675.

It is an arithmetic number, because the mean of its divisors is an integer number (6256764).

Almost surely, 2^82059905 is an apocalyptic number.

It is an amenable number.

82059905 is a deficient number, since it is larger than the sum of its proper divisors (18048319).

82059905 is a wasteful number, since it uses less digits than its factorization.

82059905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1216.

The product of its (nonzero) digits is 32400, while the sum is 38.

The square root of 82059905 is about 9058.6922345336. The cubic root of 82059905 is about 434.5539180128.

The spelling of 82059905 in words is "eighty-two million, fifty-nine thousand, nine hundred five".