8247002085 has 72 divisors (see below), whose sum is σ = 16672304376. Its totient is φ = 3760162560.

The previous prime is 8247002083. The next prime is 8247002143. The reversal of 8247002085 is 5802007428.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 812079009 + 7434923076 = 28497^2 + 86226^2 .

It is not a de Polignac number, because 8247002085 - 2¹ = 8247002083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8247002081) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 870675 + ... + 880095.

It is an arithmetic number, because the mean of its divisors is an integer number (231559783).

Almost surely, 2^8247002085 is an apocalyptic number.

It is an amenable number.

8247002085 is an abundant number, since it is smaller than the sum of its proper divisors (8425302291).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8247002085 is a wasteful number, since it uses less digits than its factorization.

8247002085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9843 (or 9833 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The square root of 8247002085 is about 90813.0061444945. The cubic root of 8247002085 is about 2020.3752272430.

The spelling of 8247002085 in words is "eight billion, two hundred forty-seven million, two thousand, eighty-five".