82819045 has 8 divisors (see below), whose sum is σ = 99460224. Its totient is φ = 66203664.

The previous prime is 82819031. The next prime is 82819049. The reversal of 82819045 is 54091828.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82819045 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 82818995 and 82819013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82819049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1512 + ... + 12958.

It is an arithmetic number, because the mean of its divisors is an integer number (12432528).

Almost surely, 2^82819045 is an apocalyptic number.

It is an amenable number.

82819045 is a deficient number, since it is larger than the sum of its proper divisors (16641179).

82819045 is a wasteful number, since it uses less digits than its factorization.

82819045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12899.

The product of its (nonzero) digits is 23040, while the sum is 37.

The square root of 82819045 is about 9100.4969644520. The cubic root of 82819045 is about 435.8898330781.

The spelling of 82819045 in words is "eighty-two million, eight hundred nineteen thousand, forty-five".