82276649 has 16 divisors (see below), whose sum is σ = 103423488. Its totient is φ = 63709632.

The previous prime is 82276643. The next prime is 82276699. The reversal of 82276649 is 94667228.

It is a de Polignac number, because none of the positive numbers 2^k-82276649 is a prime.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (82276643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5342 + ... + 13895.

It is an arithmetic number, because the mean of its divisors is an integer number (6463968).

Almost surely, 2^82276649 is an apocalyptic number.

It is an amenable number.

82276649 is a deficient number, since it is larger than the sum of its proper divisors (21146839).

82276649 is a wasteful number, since it uses less digits than its factorization.

82276649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19304.

The product of its digits is 290304, while the sum is 44.

The square root of 82276649 is about 9070.6476615510. The cubic root of 82276649 is about 434.9361759534.

The spelling of 82276649 in words is "eighty-two million, two hundred seventy-six thousand, six hundred forty-nine".