82696637 has 2 divisors, whose sum is σ = 82696638. Its totient is φ = 82696636.

The previous prime is 82696633. The next prime is 82696657. The reversal of 82696637 is 73669628.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75238276 + 7458361 = 8674^2 + 2731^2 .

It is a cyclic number.

It is not a de Polignac number, because 82696637 - 2² = 82696633 is a prime.

It is a super-2 number, since 2×82696637² = 13677467542219538, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 82696591 and 82696600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82696633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41348318 + 41348319.

It is an arithmetic number, because the mean of its divisors is an integer number (41348319).

Almost surely, 2^82696637 is an apocalyptic number.

It is an amenable number.

82696637 is a deficient number, since it is larger than the sum of its proper divisors (1).

82696637 is an equidigital number, since it uses as much as digits as its factorization.

82696637 is an evil number, because the sum of its binary digits is even.

The product of its digits is 653184, while the sum is 47.

The square root of 82696637 is about 9093.7691305641. The cubic root of 82696637 is about 435.6749762517.

The spelling of 82696637 in words is "eighty-two million, six hundred ninety-six thousand, six hundred thirty-seven".