82643795 has 16 divisors (see below), whose sum is σ = 107006592. Its totient is φ = 60912000.

The previous prime is 82643779. The next prime is 82643809. The reversal of 82643795 is 59734628.

It is not a de Polignac number, because 82643795 - 2⁴ = 82643779 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, 47969 + ... + 49661.

It is an arithmetic number, because the mean of its divisors is an integer number (6687912).

Almost surely, 2^82643795 is an apocalyptic number.

82643795 is a deficient number, since it is larger than the sum of its proper divisors (24362797).

82643795 is a wasteful number, since it uses less digits than its factorization.

82643795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2462.

The product of its digits is 362880, while the sum is 44.

The square root of 82643795 is about 9090.8632703391. The cubic root of 82643795 is about 435.5821597309.

It can be divided in two parts, 82643 and 795, that added together give a palindrome (83438).

The spelling of 82643795 in words is "eighty-two million, six hundred forty-three thousand, seven hundred ninety-five".