82997583 has 4 divisors (see below), whose sum is σ = 110663448. Its totient is φ = 55331720.

The previous prime is 82997581. The next prime is 82997591. The reversal of 82997583 is 38579928.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 82997583 - 2¹ = 82997581 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82997581) 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, 13832928 + ... + 13832933.

It is an arithmetic number, because the mean of its divisors is an integer number (27665862).

Almost surely, 2^82997583 is an apocalyptic number.

82997583 is a deficient number, since it is larger than the sum of its proper divisors (27665865).

82997583 is a wasteful number, since it uses less digits than its factorization.

82997583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27665864.

The product of its digits is 1088640, while the sum is 51.

The square root of 82997583 is about 9110.3009280704. The cubic root of 82997583 is about 436.2028329177.

The spelling of 82997583 in words is "eighty-two million, nine hundred ninety-seven thousand, five hundred eighty-three".