83717000485 has 4 divisors (see below), whose sum is σ = 100460400588. Its totient is φ = 66973600384.

The previous prime is 83717000483. The next prime is 83717000561. The reversal of 83717000485 is 58400071738.

83717000485 = 204593² + 204594².

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 41858295649 + 41858704836 = 204593^2 + 204594^2 .

It is a cyclic number.

It is not a de Polignac number, because 83717000485 - 2¹ = 83717000483 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83717000483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8371700044 + ... + 8371700053.

It is an arithmetic number, because the mean of its divisors is an integer number (25115100147).

Almost surely, 2^83717000485 is an apocalyptic number.

83717000485 is the 204594-th centered square number.

It is an amenable number.

83717000485 is a deficient number, since it is larger than the sum of its proper divisors (16743400103).

83717000485 is a wasteful number, since it uses less digits than its factorization.

83717000485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16743400102.

The product of its (nonzero) digits is 188160, while the sum is 43.

The spelling of 83717000485 in words is "eighty-three billion, seven hundred seventeen million, four hundred eighty-five", and thus it is an aban number.