8517098020 has 12 divisors (see below), whose sum is σ = 17885905884. Its totient is φ = 3406839200.

The previous prime is 8517097973. The next prime is 8517098027. The reversal of 8517098020 is 208907158.

It can be written as a sum of positive squares in 2 ways, for example, as 4551121444 + 3965976576 = 67462^2 + 62976^2 .

It is not an unprimeable number, because it can be changed into a prime (8517098027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 212927431 + ... + 212927470.

It is an arithmetic number, because the mean of its divisors is an integer number (1490492157).

Almost surely, 2^8517098020 is an apocalyptic number.

It is an amenable number.

8517098020 is an abundant number, since it is smaller than the sum of its proper divisors (9368807864).

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

8517098020 is a wasteful number, since it uses less digits than its factorization.

8517098020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425854910 (or 425854908 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 40.

The square root of 8517098020 is about 92288.1250215866. The cubic root of 8517098020 is about 2042.1950309400.

The spelling of 8517098020 in words is "eight billion, five hundred seventeen million, ninety-eight thousand, twenty".