82839477 has 32 divisors (see below), whose sum is σ = 129558528. Its totient is φ = 46103616.

The previous prime is 82839467. The next prime is 82839499. The reversal of 82839477 is 77493828.

It is not a de Polignac number, because 82839477 - 2⁷ = 82839349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82839437) 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 31 ways as a sum of consecutive naturals, for example, 292578 + ... + 292860.

It is an arithmetic number, because the mean of its divisors is an integer number (4048704).

Almost surely, 2^82839477 is an apocalyptic number.

It is an amenable number.

82839477 is a deficient number, since it is larger than the sum of its proper divisors (46719051).

82839477 is a wasteful number, since it uses less digits than its factorization.

82839477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609.

The product of its digits is 677376, while the sum is 48.

The square root of 82839477 is about 9101.6194712809. The cubic root of 82839477 is about 435.9256757549.

The spelling of 82839477 in words is "eighty-two million, eight hundred thirty-nine thousand, four hundred seventy-seven".