82477 has 4 divisors (see below), whose sum is σ = 83776. Its totient is φ = 81180.

The previous prime is 82471. The next prime is 82483. The reversal of 82477 is 77428.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (82471) and next prime (82483).

It is a cyclic number.

It is not a de Polignac number, because 82477 - 2³ = 82469 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 (82471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 549 + ... + 682.

It is an arithmetic number, because the mean of its divisors is an integer number (20944).

2⁸²⁴⁷⁷ is an apocalyptic number.

It is an amenable number.

82477 is a deficient number, since it is larger than the sum of its proper divisors (1299).

82477 is a wasteful number, since it uses less digits than its factorization.

82477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1298.

The product of its digits is 3136, while the sum is 28.

The square root of 82477 is about 287.1880916751. The cubic root of 82477 is about 43.5288925947.

It can be divided in two parts, 8 and 2477, that added together give a triangular number (2485 = T₇₀).

The spelling of 82477 in words is "eighty-two thousand, four hundred seventy-seven".