8461808582 has 16 divisors (see below), whose sum is σ = 13441589712. Its totient is φ = 3981361920.

The previous prime is 8461808581. The next prime is 8461808603. The reversal of 8461808582 is 2858081648.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 8461808582.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8461808581) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 229082 + ... + 263442.

It is an arithmetic number, because the mean of its divisors is an integer number (840099357).

Almost surely, 2^8461808582 is an apocalyptic number.

8461808582 is a deficient number, since it is larger than the sum of its proper divisors (4979781130).

8461808582 is a wasteful number, since it uses less digits than its factorization.

8461808582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41623.

The product of its (nonzero) digits is 983040, while the sum is 50.

The square root of 8461808582 is about 91988.0893485673. The cubic root of 8461808582 is about 2037.7664088247.

The spelling of 8461808582 in words is "eight billion, four hundred sixty-one million, eight hundred eight thousand, five hundred eighty-two".