82000905 has 16 divisors (see below), whose sum is σ = 149944704. Its totient is φ = 37486080.

The previous prime is 82000889. The next prime is 82000907. The reversal of 82000905 is 50900028.

It is not a de Polignac number, because 82000905 - 2⁴ = 82000889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82000907) 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, 390376 + ... + 390585.

It is an arithmetic number, because the mean of its divisors is an integer number (9371544).

Almost surely, 2^82000905 is an apocalyptic number.

It is an amenable number.

82000905 is a deficient number, since it is larger than the sum of its proper divisors (67943799).

82000905 is a wasteful number, since it uses less digits than its factorization.

82000905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 780976.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 82000905 is about 9055.4351082651. The cubic root of 82000905 is about 434.4497468457.

The spelling of 82000905 in words is "eighty-two million, nine hundred five", and thus it is an aban number.