82627775 has 6 divisors (see below), whose sum is σ = 102458472. Its totient is φ = 66102200.

The previous prime is 82627729. The next prime is 82627807. The reversal of 82627775 is 57772628.

It is a happy number.

It is not a de Polignac number, because 82627775 - 2¹⁰ = 82626751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 1652531 + ... + 1652580.

It is an arithmetic number, because the mean of its divisors is an integer number (17076412).

Almost surely, 2^82627775 is an apocalyptic number.

82627775 is a deficient number, since it is larger than the sum of its proper divisors (19830697).

82627775 is a wasteful number, since it uses less digits than its factorization.

82627775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3305121 (or 3305116 counting only the distinct ones).

The product of its digits is 329280, while the sum is 44.

The square root of 82627775 is about 9089.9821231947. The cubic root of 82627775 is about 435.5540129227.

The spelling of 82627775 in words is "eighty-two million, six hundred twenty-seven thousand, seven hundred seventy-five".