82690825 has 24 divisors (see below), whose sum is σ = 118617408. Its totient is φ = 56009280.

The previous prime is 82690781. The next prime is 82690847. The reversal of 82690825 is 52809628.

It is not a de Polignac number, because 82690825 - 2⁷ = 82690697 is a prime.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 11679 + ... + 17371.

It is an arithmetic number, because the mean of its divisors is an integer number (4942392).

Almost surely, 2^82690825 is an apocalyptic number.

It is an amenable number.

82690825 is a deficient number, since it is larger than the sum of its proper divisors (35926583).

82690825 is a wasteful number, since it uses less digits than its factorization.

82690825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5793 (or 5788 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 82690825 is about 9093.4495654839. The cubic root of 82690825 is about 435.6647694591.

The spelling of 82690825 in words is "eighty-two million, six hundred ninety thousand, eight hundred twenty-five".