82698617 has 2 divisors, whose sum is σ = 82698618. Its totient is φ = 82698616.

The previous prime is 82698613. The next prime is 82698647. The reversal of 82698617 is 71689628.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72097081 + 10601536 = 8491^2 + 3256^2 .

It is a cyclic number.

It is not a de Polignac number, because 82698617 - 2² = 82698613 is a prime.

It is a super-3 number, since 3×82698617³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (82698613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41349308 + 41349309.

It is an arithmetic number, because the mean of its divisors is an integer number (41349309).

Almost surely, 2^82698617 is an apocalyptic number.

It is an amenable number.

82698617 is a deficient number, since it is larger than the sum of its proper divisors (1).

82698617 is an equidigital number, since it uses as much as digits as its factorization.

82698617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 47.

The square root of 82698617 is about 9093.8779956628. The cubic root of 82698617 is about 435.6784533362.

The spelling of 82698617 in words is "eighty-two million, six hundred ninety-eight thousand, six hundred seventeen".