8539465662 has 192 divisors, whose sum is σ = 23731868160. Its totient is φ = 2241074304.

The previous prime is 8539465661. The next prime is 8539465681. The reversal of 8539465662 is 2665649358.

8539465662 is a `hidden beast` number, since 8 + 5 + 39 + 46 + 566 + 2 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 8539465599 and 8539465608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8539465661) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 12957889 + ... + 12958547.

It is an arithmetic number, because the mean of its divisors is an integer number (123603480).

Almost surely, 2^8539465662 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8539465662, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11865934080).

8539465662 is an abundant number, since it is smaller than the sum of its proper divisors (15192402498).

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

8539465662 is a wasteful number, since it uses less digits than its factorization.

8539465662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 989 (or 977 counting only the distinct ones).

The product of its digits is 9331200, while the sum is 54.

The square root of 8539465662 is about 92409.2293117955. The cubic root of 8539465662 is about 2043.9812088900.

The spelling of 8539465662 in words is "eight billion, five hundred thirty-nine million, four hundred sixty-five thousand, six hundred sixty-two".