82580873 has 4 divisors (see below), whose sum is σ = 83175120. Its totient is φ = 81986628.

The previous prime is 82580867. The next prime is 82580887. The reversal of 82580873 is 37808528.

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 82580873 - 2⁴ = 82580857 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 82580873.

It is not an unprimeable number, because it can be changed into a prime (82580803) 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, 296915 + ... + 297192.

It is an arithmetic number, because the mean of its divisors is an integer number (20793780).

Almost surely, 2^82580873 is an apocalyptic number.

It is an amenable number.

82580873 is a deficient number, since it is larger than the sum of its proper divisors (594247).

82580873 is a wasteful number, since it uses less digits than its factorization.

82580873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594246.

The product of its (nonzero) digits is 107520, while the sum is 41.

The square root of 82580873 is about 9087.4018839270. The cubic root of 82580873 is about 435.4715861569.

The spelling of 82580873 in words is "eighty-two million, five hundred eighty thousand, eight hundred seventy-three".