83936021302697 has 2 divisors, whose sum is σ = 83936021302698. Its totient is φ = 83936021302696.

The previous prime is 83936021302657. The next prime is 83936021302709. The reversal of 83936021302697 is 79620312063938.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75038143951936 + 8897877350761 = 8662456^2 + 2982931^2 .

It is a cyclic number.

It is not a de Polignac number, because 83936021302697 - 2³⁰ = 83934947560873 is a prime.

It is not a weakly prime, because it can be changed into another prime (83936021302607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41968010651348 + 41968010651349.

It is an arithmetic number, because the mean of its divisors is an integer number (41968010651349).

Almost surely, 2^{83936021302697} is an apocalyptic number.

It is an amenable number.

83936021302697 is a deficient number, since it is larger than the sum of its proper divisors (1).

83936021302697 is an equidigital number, since it uses as much as digits as its factorization.

83936021302697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17635968, while the sum is 59.

The spelling of 83936021302697 in words is "eighty-three trillion, nine hundred thirty-six billion, twenty-one million, three hundred two thousand, six hundred ninety-seven".