82966491 has 16 divisors (see below), whose sum is σ = 123175200. Its totient is φ = 55193184.

The previous prime is 82966489. The next prime is 82966501. The reversal of 82966491 is 19466928.

It is a happy number.

It is not a de Polignac number, because 82966491 - 2¹ = 82966489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82966441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10725 + ... + 16761.

It is an arithmetic number, because the mean of its divisors is an integer number (7698450).

Almost surely, 2^82966491 is an apocalyptic number.

82966491 is a deficient number, since it is larger than the sum of its proper divisors (40208709).

82966491 is a wasteful number, since it uses less digits than its factorization.

82966491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6555 (or 6549 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 82966491 is about 9108.5943481967. The cubic root of 82966491 is about 436.1483569844.

The spelling of 82966491 in words is "eighty-two million, nine hundred sixty-six thousand, four hundred ninety-one".