82647605 has 8 divisors (see below), whose sum is σ = 99315072. Its totient is φ = 66026128.

The previous prime is 82647577. The next prime is 82647611. The reversal of 82647605 is 50674628.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 82647605 - 2¹⁴ = 82631221 is a prime.

It is a super-2 number, since 2×82647605² = 13661253224472050, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7409 + ... + 14838.

It is an arithmetic number, because the mean of its divisors is an integer number (12414384).

Almost surely, 2^82647605 is an apocalyptic number.

It is an amenable number.

82647605 is a deficient number, since it is larger than the sum of its proper divisors (16667467).

82647605 is a wasteful number, since it uses less digits than its factorization.

82647605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22995.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 82647605 is about 9091.0728189802. The cubic root of 82647605 is about 435.5888532865.

The spelling of 82647605 in words is "eighty-two million, six hundred forty-seven thousand, six hundred five".