8536358644 has 48 divisors (see below), whose sum is σ = 17367146496. Its totient is φ = 3632472800.

The previous prime is 8536358641. The next prime is 8536358659. The reversal of 8536358644 is 4468536358.

It is a junction number, because it is equal to n+sod(n) for n = 8536358591 and 8536358600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8536358641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42172 + ... + 137299.

It is an arithmetic number, because the mean of its divisors is an integer number (361815552).

Almost surely, 2^8536358644 is an apocalyptic number.

It is an amenable number.

8536358644 is an abundant number, since it is smaller than the sum of its proper divisors (8830787852).

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

8536358644 is a wasteful number, since it uses less digits than its factorization.

8536358644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179556 (or 179554 counting only the distinct ones).

The product of its digits is 8294400, while the sum is 52.

The square root of 8536358644 is about 92392.4165935711. The cubic root of 8536358644 is about 2043.7332832769.

The spelling of 8536358644 in words is "eight billion, five hundred thirty-six million, three hundred fifty-eight thousand, six hundred forty-four".