82766229 has 24 divisors (see below), whose sum is σ = 136573632. Its totient is φ = 43655040.

The previous prime is 82766209. The next prime is 82766263. The reversal of 82766229 is 92266728.

It is not a de Polignac number, because 82766229 - 2¹³ = 82758037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82766209) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8112 + ... + 15209.

It is an arithmetic number, because the mean of its divisors is an integer number (5690568).

Almost surely, 2^82766229 is an apocalyptic number.

It is an amenable number.

82766229 is a deficient number, since it is larger than the sum of its proper divisors (53807403).

82766229 is a wasteful number, since it uses less digits than its factorization.

82766229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23357 (or 23344 counting only the distinct ones).

The product of its digits is 145152, while the sum is 42.

The square root of 82766229 is about 9097.5946821124. The cubic root of 82766229 is about 435.7971536988.

The spelling of 82766229 in words is "eighty-two million, seven hundred sixty-six thousand, two hundred twenty-nine".