82055771 has 8 divisors (see below), whose sum is σ = 95178240. Its totient is φ = 69283368.

The previous prime is 82055759. The next prime is 82055773. The reversal of 82055771 is 17755028.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 82055771 - 2⁶ = 82055707 is a prime.

It is a super-3 number, since 3×82055771³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82055773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87011 + ... + 87948.

It is an arithmetic number, because the mean of its divisors is an integer number (11897280).

Almost surely, 2^82055771 is an apocalyptic number.

82055771 is a deficient number, since it is larger than the sum of its proper divisors (13122469).

82055771 is a wasteful number, since it uses less digits than its factorization.

82055771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175033.

The product of its (nonzero) digits is 19600, while the sum is 35.

The square root of 82055771 is about 9058.4640530280. The cubic root of 82055771 is about 434.5466205957.

The spelling of 82055771 in words is "eighty-two million, fifty-five thousand, seven hundred seventy-one".