82839485 has 16 divisors (see below), whose sum is σ = 102657456. Its totient is φ = 64124928.

The previous prime is 82839467. The next prime is 82839499. The reversal of 82839485 is 58493828.

It can be written as a sum of positive squares in 8 ways, for example, as 34550884 + 48288601 = 5878^2 + 6949^2 .

It is a cyclic number.

It is not a de Polignac number, because 82839485 - 2²⁰ = 81790909 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35309 + ... + 37581.

It is an arithmetic number, because the mean of its divisors is an integer number (6416091).

Almost surely, 2^82839485 is an apocalyptic number.

It is an amenable number.

82839485 is a deficient number, since it is larger than the sum of its proper divisors (19817971).

82839485 is a wasteful number, since it uses less digits than its factorization.

82839485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2512.

The product of its digits is 552960, while the sum is 47.

The square root of 82839485 is about 9101.6199107631. The cubic root of 82839485 is about 435.9256897877.

The spelling of 82839485 in words is "eighty-two million, eight hundred thirty-nine thousand, four hundred eighty-five".