83674397 has 2 divisors, whose sum is σ = 83674398. Its totient is φ = 83674396.

The previous prime is 83674379. The next prime is 83674411. The reversal of 83674397 is 79347638.

It is a happy number.

Together with previous prime (83674379) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82919236 + 755161 = 9106^2 + 869^2 .

It is a cyclic number.

It is not a de Polignac number, because 83674397 - 2¹⁴ = 83658013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83674307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41837198 + 41837199.

It is an arithmetic number, because the mean of its divisors is an integer number (41837199).

Almost surely, 2^83674397 is an apocalyptic number.

It is an amenable number.

83674397 is a deficient number, since it is larger than the sum of its proper divisors (1).

83674397 is an equidigital number, since it uses as much as digits as its factorization.

83674397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 762048, while the sum is 47.

The square root of 83674397 is about 9147.3710430921. The cubic root of 83674397 is about 437.3853143745.

The spelling of 83674397 in words is "eighty-three million, six hundred seventy-four thousand, three hundred ninety-seven".