82529765 has 8 divisors (see below), whose sum is σ = 99462168. Its totient is φ = 65739520.

The previous prime is 82529723. The next prime is 82529809. The reversal of 82529765 is 56792528.

It can be written as a sum of positive squares in 4 ways, for example, as 1943236 + 80586529 = 1394^2 + 8977^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 82529765 - 2¹² = 82525669 is a prime.

It is a super-2 number, since 2×82529765² = 13622324221910450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34256 + ... + 36585.

It is an arithmetic number, because the mean of its divisors is an integer number (12432771).

Almost surely, 2^82529765 is an apocalyptic number.

It is an amenable number.

82529765 is a deficient number, since it is larger than the sum of its proper divisors (16932403).

82529765 is a wasteful number, since it uses less digits than its factorization.

82529765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71079.

The product of its digits is 302400, while the sum is 44.

The square root of 82529765 is about 9084.5894238540. The cubic root of 82529765 is about 435.3817321188.

The spelling of 82529765 in words is "eighty-two million, five hundred twenty-nine thousand, seven hundred sixty-five".