83680078233677 has 2 divisors, whose sum is σ = 83680078233678. Its totient is φ = 83680078233676.

The previous prime is 83680078233623. The next prime is 83680078233757. The reversal of 83680078233677 is 77633287008638.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67615525253956 + 16064552979721 = 8222866^2 + 4008061^2 .

It is a cyclic number.

It is not a de Polignac number, because 83680078233677 - 2³⁰ = 83679004491853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83680078203677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41840039116838 + 41840039116839.

It is an arithmetic number, because the mean of its divisors is an integer number (41840039116839).

Almost surely, 2^{83680078233677} is an apocalyptic number.

It is an amenable number.

83680078233677 is a deficient number, since it is larger than the sum of its proper divisors (1).

83680078233677 is an equidigital number, since it uses as much as digits as its factorization.

83680078233677 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 341397504, while the sum is 68.

The spelling of 83680078233677 in words is "eighty-three trillion, six hundred eighty billion, seventy-eight million, two hundred thirty-three thousand, six hundred seventy-seven".