82942005 has 16 divisors (see below), whose sum is σ = 134884224. Its totient is φ = 43510080.

The previous prime is 82941967. The next prime is 82942009. The reversal of 82942005 is 50024928.

It is not a de Polignac number, because 82942005 - 2⁷ = 82941877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82942009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44409 + ... + 46238.

It is an arithmetic number, because the mean of its divisors is an integer number (8430264).

Almost surely, 2^82942005 is an apocalyptic number.

It is an amenable number.

82942005 is a deficient number, since it is larger than the sum of its proper divisors (51942219).

82942005 is a wasteful number, since it uses less digits than its factorization.

82942005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90716.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 82942005 is about 9107.2501338220. The cubic root of 82942005 is about 436.1054457667.

The spelling of 82942005 in words is "eighty-two million, nine hundred forty-two thousand, five".