84775 has 6 divisors (see below), whose sum is σ = 105152. Its totient is φ = 67800.

The previous prime is 84761. The next prime is 84787. The reversal of 84775 is 57748.

It is a happy number.

It is not a de Polignac number, because 84775 - 2⁹ = 84263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1671 + ... + 1720.

2⁸⁴⁷⁷⁵ is an apocalyptic number.

84775 is a deficient number, since it is larger than the sum of its proper divisors (20377).

84775 is a wasteful number, since it uses less digits than its factorization.

84775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3401 (or 3396 counting only the distinct ones).

The product of its digits is 7840, while the sum is 31.

The square root of 84775 is about 291.1614672308. The cubic root of 84775 is about 43.9294668838.

The spelling of 84775 in words is "eighty-four thousand, seven hundred seventy-five".