8536477866 has 96 divisors (see below), whose sum is σ = 20536175232. Its totient is φ = 2356905600.

The previous prime is 8536477861. The next prime is 8536477877. The reversal of 8536477866 is 6687746358.

It is not an unprimeable number, because it can be changed into a prime (8536477861) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1639980 + ... + 1645176.

It is an arithmetic number, because the mean of its divisors is an integer number (213918492).

Almost surely, 2^8536477866 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8536477866, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10268087616).

8536477866 is an abundant number, since it is smaller than the sum of its proper divisors (11999697366).

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

8536477866 is a wasteful number, since it uses less digits than its factorization.

8536477866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5404 (or 5397 counting only the distinct ones).

The product of its digits is 40642560, while the sum is 60.

The square root of 8536477866 is about 92393.0617849631. The cubic root of 8536477866 is about 2043.7427977488.

The spelling of 8536477866 in words is "eight billion, five hundred thirty-six million, four hundred seventy-seven thousand, eight hundred sixty-six".