83941997 has 2 divisors, whose sum is σ = 83941998. Its totient is φ = 83941996.

The previous prime is 83941969. The next prime is 83942021. The reversal of 83941997 is 79914938.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83649316 + 292681 = 9146^2 + 541^2 .

It is a cyclic number.

It is not a de Polignac number, because 83941997 - 2¹⁶ = 83876461 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 (83931997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41970998 + 41970999.

It is an arithmetic number, because the mean of its divisors is an integer number (41970999).

Almost surely, 2^83941997 is an apocalyptic number.

It is an amenable number.

83941997 is a deficient number, since it is larger than the sum of its proper divisors (1).

83941997 is an equidigital number, since it uses as much as digits as its factorization.

83941997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 489888, while the sum is 50.

The square root of 83941997 is about 9161.9865204005. The cubic root of 83941997 is about 437.8510871077.

The spelling of 83941997 in words is "eighty-three million, nine hundred forty-one thousand, nine hundred ninety-seven".