83528069 has 8 divisors (see below), whose sum is σ = 84127680. Its totient is φ = 82931200.

The previous prime is 83528063. The next prime is 83528077. The reversal of 83528069 is 96082538.

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

It is a cyclic number.

It is not a de Polignac number, because 83528069 - 2⁸ = 83527813 is a prime.

It is a super-2 number, since 2×83528069² = 13953876621737522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83528063) 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 7 ways as a sum of consecutive naturals, for example, 129989 + ... + 130629.

It is an arithmetic number, because the mean of its divisors is an integer number (10515960).

Almost surely, 2^83528069 is an apocalyptic number.

It is an amenable number.

83528069 is a deficient number, since it is larger than the sum of its proper divisors (599611).

83528069 is a wasteful number, since it uses less digits than its factorization.

83528069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1371.

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 83528069 is about 9139.3691795441. The cubic root of 83528069 is about 437.1302022368.

The spelling of 83528069 in words is "eighty-three million, five hundred twenty-eight thousand, sixty-nine".