82458773 has 4 divisors (see below), whose sum is σ = 82532940. Its totient is φ = 82384608.

The previous prime is 82458769. The next prime is 82458799. The reversal of 82458773 is 37785428.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 45468049 + 36990724 = 6743^2 + 6082^2 .

It is a cyclic number.

It is not a de Polignac number, because 82458773 - 2² = 82458769 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82458073) 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 3 ways as a sum of consecutive naturals, for example, 35390 + ... + 37647.

It is an arithmetic number, because the mean of its divisors is an integer number (20633235).

Almost surely, 2^82458773 is an apocalyptic number.

It is an amenable number.

82458773 is a deficient number, since it is larger than the sum of its proper divisors (74167).

82458773 is a wasteful number, since it uses less digits than its factorization.

82458773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74166.

The product of its digits is 376320, while the sum is 44.

The square root of 82458773 is about 9080.6813070386. The cubic root of 82458773 is about 435.2568580337.

The spelling of 82458773 in words is "eighty-two million, four hundred fifty-eight thousand, seven hundred seventy-three".