83085645 has 16 divisors (see below), whose sum is σ = 133448832. Its totient is φ = 44141760.

The previous prime is 83085631. The next prime is 83085659. The reversal of 83085645 is 54658038.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (83085631) and next prime (83085659).

It is not a de Polignac number, because 83085645 - 2¹¹ = 83083597 is a prime.

It is a super-3 number, since 3×83085645³ (a number of 25 digits) contains 333 as substring.

It is a congruent 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, 6586 + ... + 14475.

It is an arithmetic number, because the mean of its divisors is an integer number (8340552).

Almost surely, 2^83085645 is an apocalyptic number.

It is an amenable number.

83085645 is a deficient number, since it is larger than the sum of its proper divisors (50363187).

83085645 is a wasteful number, since it uses less digits than its factorization.

83085645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21332.

The product of its (nonzero) digits is 115200, while the sum is 39.

The square root of 83085645 is about 9115.1327472506. The cubic root of 83085645 is about 436.3570515302.

The spelling of 83085645 in words is "eighty-three million, eighty-five thousand, six hundred forty-five".