83617271173 has 2 divisors, whose sum is σ = 83617271174. Its totient is φ = 83617271172.

The previous prime is 83617271149. The next prime is 83617271291. The reversal of 83617271173 is 37117271638.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56473720164 + 27143551009 = 237642^2 + 164753^2 .

It is a cyclic number.

It is not a de Polignac number, because 83617271173 - 2²⁹ = 83080400261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83617271473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41808635586 + 41808635587.

It is an arithmetic number, because the mean of its divisors is an integer number (41808635587).

Almost surely, 2^83617271173 is an apocalyptic number.

It is an amenable number.

83617271173 is a deficient number, since it is larger than the sum of its proper divisors (1).

83617271173 is an equidigital number, since it uses as much as digits as its factorization.

83617271173 is an evil number, because the sum of its binary digits is even.

The product of its digits is 296352, while the sum is 46.

The spelling of 83617271173 in words is "eighty-three billion, six hundred seventeen million, two hundred seventy-one thousand, one hundred seventy-three".