83908697 has 2 divisors, whose sum is σ = 83908698. Its totient is φ = 83908696.

The previous prime is 83908667. The next prime is 83908703. The reversal of 83908697 is 79680938.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74149321 + 9759376 = 8611^2 + 3124^2 .

It is a cyclic number.

It is not a de Polignac number, because 83908697 - 2⁸ = 83908441 is a prime.

It is not a weakly prime, because it can be changed into another prime (83908607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41954348 + 41954349.

It is an arithmetic number, because the mean of its divisors is an integer number (41954349).

Almost surely, 2^83908697 is an apocalyptic number.

It is an amenable number.

83908697 is a deficient number, since it is larger than the sum of its proper divisors (1).

83908697 is an equidigital number, since it uses as much as digits as its factorization.

83908697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 653184, while the sum is 50.

The square root of 83908697 is about 9160.1690486584. The cubic root of 83908697 is about 437.7931805763.

The spelling of 83908697 in words is "eighty-three million, nine hundred eight thousand, six hundred ninety-seven".