82664753 has 4 divisors (see below), whose sum is σ = 83219700. Its totient is φ = 82109808.

The previous prime is 82664749. The next prime is 82664759. The reversal of 82664753 is 35746628.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 9784384 + 72880369 = 3128^2 + 8537^2 .

It is a cyclic number.

It is not a de Polignac number, because 82664753 - 2² = 82664749 is a prime.

It is a super-2 number, since 2×82664753² = 13666922777102018, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 82664753.

It is not an unprimeable number, because it can be changed into a prime (82664759) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 277250 + ... + 277547.

It is an arithmetic number, because the mean of its divisors is an integer number (20804925).

Almost surely, 2^82664753 is an apocalyptic number.

It is an amenable number.

82664753 is a deficient number, since it is larger than the sum of its proper divisors (554947).

82664753 is a wasteful number, since it uses less digits than its factorization.

82664753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554946.

The product of its digits is 241920, while the sum is 41.

The square root of 82664753 is about 9092.0158930789. The cubic root of 82664753 is about 435.6189770113.

The spelling of 82664753 in words is "eighty-two million, six hundred sixty-four thousand, seven hundred fifty-three".