83025707917 has 2 divisors, whose sum is σ = 83025707918. Its totient is φ = 83025707916.

The previous prime is 83025707909. The next prime is 83025707927. The reversal of 83025707917 is 71970752038.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74304762921 + 8720944996 = 272589^2 + 93386^2 .

It is a cyclic number.

It is not a de Polignac number, because 83025707917 - 2³ = 83025707909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83025707927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41512853958 + 41512853959.

It is an arithmetic number, because the mean of its divisors is an integer number (41512853959).

Almost surely, 2^83025707917 is an apocalyptic number.

It is an amenable number.

83025707917 is a deficient number, since it is larger than the sum of its proper divisors (1).

83025707917 is an equidigital number, since it uses as much as digits as its factorization.

83025707917 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 740880, while the sum is 49.

The spelling of 83025707917 in words is "eighty-three billion, twenty-five million, seven hundred seven thousand, nine hundred seventeen".