83937797 has 2 divisors, whose sum is σ = 83937798. Its totient is φ = 83937796.

The previous prime is 83937779. The next prime is 83937829. The reversal of 83937797 is 79773938.

It is a happy number.

Together with previous prime (83937779) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58997761 + 24940036 = 7681^2 + 4994^2 .

It is a cyclic number.

It is not a de Polignac number, because 83937797 - 2¹⁰ = 83936773 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83937727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41968898 + 41968899.

It is an arithmetic number, because the mean of its divisors is an integer number (41968899).

Almost surely, 2^83937797 is an apocalyptic number.

It is an amenable number.

83937797 is a deficient number, since it is larger than the sum of its proper divisors (1).

83937797 is an equidigital number, since it uses as much as digits as its factorization.

83937797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2000376, while the sum is 53.

The square root of 83937797 is about 9161.7573095995. The cubic root of 83937797 is about 437.8437844253.

The spelling of 83937797 in words is "eighty-three million, nine hundred thirty-seven thousand, seven hundred ninety-seven".