82868026 has 4 divisors (see below), whose sum is σ = 124302042. Its totient is φ = 41434012.

The previous prime is 82868021. The next prime is 82868029. The reversal of 82868026 is 62086828.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 73874025 + 8994001 = 8595^2 + 2999^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 82868026.

It is not an unprimeable number, because it can be changed into a prime (82868021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20717005 + ... + 20717008.

Almost surely, 2^82868026 is an apocalyptic number.

82868026 is a deficient number, since it is larger than the sum of its proper divisors (41434016).

82868026 is a wasteful number, since it uses less digits than its factorization.

82868026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41434015.

The product of its (nonzero) digits is 73728, while the sum is 40.

The square root of 82868026 is about 9103.1876834436. The cubic root of 82868026 is about 435.9757477462.

The spelling of 82868026 in words is "eighty-two million, eight hundred sixty-eight thousand, twenty-six".