82755147 has 8 divisors (see below), whose sum is σ = 110546320. Its totient is φ = 55067040.

The previous prime is 82755139. The next prime is 82755149. The reversal of 82755147 is 74155728.

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

It is not a de Polignac number, because 82755147 - 2³ = 82755139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82755149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23872 + ... + 27117.

It is an arithmetic number, because the mean of its divisors is an integer number (13818290).

Almost surely, 2^82755147 is an apocalyptic number.

82755147 is a deficient number, since it is larger than the sum of its proper divisors (27791173).

82755147 is a wasteful number, since it uses less digits than its factorization.

82755147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51533.

The product of its digits is 78400, while the sum is 39.

The square root of 82755147 is about 9096.9855996368. The cubic root of 82755147 is about 435.7777024496. Note that the first 4 decimals are identical.

The spelling of 82755147 in words is "eighty-two million, seven hundred fifty-five thousand, one hundred forty-seven".