82845477 has 64 divisors (see below), whose sum is σ = 147840000. Its totient is φ = 45178560.

The previous prime is 82845473. The next prime is 82845481. The reversal of 82845477 is 77454828.

It is an interprime number because it is at equal distance from previous prime (82845473) and next prime (82845481).

It is not a de Polignac number, because 82845477 - 2² = 82845473 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82845473) 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 63 ways as a sum of consecutive naturals, for example, 165774 + ... + 166272.

It is an arithmetic number, because the mean of its divisors is an integer number (2310000).

Almost surely, 2^82845477 is an apocalyptic number.

It is an amenable number.

82845477 is a deficient number, since it is larger than the sum of its proper divisors (64994523).

82845477 is a wasteful number, since it uses less digits than its factorization.

82845477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575 (or 569 counting only the distinct ones).

The product of its digits is 501760, while the sum is 45.

The square root of 82845477 is about 9101.9490769835. The cubic root of 82845477 is about 435.9362000886.

The spelling of 82845477 in words is "eighty-two million, eight hundred forty-five thousand, four hundred seventy-seven".