82207617 has 4 divisors (see below), whose sum is σ = 109610160. Its totient is φ = 54805076.

The previous prime is 82207603. The next prime is 82207627. The reversal of 82207617 is 71670228.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 82207617 - 2¹² = 82203521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82207627) 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, 13701267 + ... + 13701272.

It is an arithmetic number, because the mean of its divisors is an integer number (27402540).

Almost surely, 2^82207617 is an apocalyptic number.

It is an amenable number.

82207617 is a deficient number, since it is larger than the sum of its proper divisors (27402543).

82207617 is a wasteful number, since it uses less digits than its factorization.

82207617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27402542.

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 82207617 is about 9066.8416220865. The cubic root of 82207617 is about 434.8145014343.

The spelling of 82207617 in words is "eighty-two million, two hundred seven thousand, six hundred seventeen".