82916569 has 4 divisors (see below), whose sum is σ = 84084480. Its totient is φ = 81748660.

The previous prime is 82916557. The next prime is 82916591. The reversal of 82916569 is 96561928.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 82916569 - 2¹⁷ = 82785497 is a prime.

It is a super-2 number, since 2×82916569² = 13750314829463522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82916069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 583849 + ... + 583990.

It is an arithmetic number, because the mean of its divisors is an integer number (21021120).

Almost surely, 2^82916569 is an apocalyptic number.

It is an amenable number.

82916569 is a deficient number, since it is larger than the sum of its proper divisors (1167911).

82916569 is a wasteful number, since it uses less digits than its factorization.

82916569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1167910.

The product of its digits is 233280, while the sum is 46.

The square root of 82916569 is about 9105.8535569160. The cubic root of 82916569 is about 436.0608607491.

The spelling of 82916569 in words is "eighty-two million, nine hundred sixteen thousand, five hundred sixty-nine".