8506813698 has 32 divisors (see below), whose sum is σ = 18907257600. Its totient is φ = 2835120528.

The previous prime is 8506813691. The next prime is 8506813699. The reversal of 8506813698 is 8963186058.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (8506813691) 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 15 ways as a sum of consecutive naturals, for example, 456508 + ... + 474776.

It is an arithmetic number, because the mean of its divisors is an integer number (590851800).

Almost surely, 2^8506813698 is an apocalyptic number.

8506813698 is an abundant number, since it is smaller than the sum of its proper divisors (10400443902).

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

8506813698 is a wasteful number, since it uses less digits than its factorization.

8506813698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26903 (or 26897 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 54.

The square root of 8506813698 is about 92232.3896361793. The cubic root of 8506813698 is about 2041.3727222775.

The spelling of 8506813698 in words is "eight billion, five hundred six million, eight hundred thirteen thousand, six hundred ninety-eight".