82986361 has 2 divisors, whose sum is σ = 82986362. Its totient is φ = 82986360.

The previous prime is 82986269. The next prime is 82986377. The reversal of 82986361 is 16368928.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82246761 + 739600 = 9069^2 + 860^2 .

It is a cyclic number.

It is not a de Polignac number, because 82986361 - 2¹⁹ = 82462073 is a prime.

It is a super-2 number, since 2×82986361² = 13773472224044642, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (82980361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41493180 + 41493181.

It is an arithmetic number, because the mean of its divisors is an integer number (41493181).

Almost surely, 2^82986361 is an apocalyptic number.

It is an amenable number.

82986361 is a deficient number, since it is larger than the sum of its proper divisors (1).

82986361 is an equidigital number, since it uses as much as digits as its factorization.

82986361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 124416, while the sum is 43.

The square root of 82986361 is about 9109.6850110199. The cubic root of 82986361 is about 436.1831725507.

The spelling of 82986361 in words is "eighty-two million, nine hundred eighty-six thousand, three hundred sixty-one".