8461808742 has 16 divisors (see below), whose sum is σ = 16984716912. Its totient is φ = 2810419680.

The previous prime is 8461808741. The next prime is 8461808743. The reversal of 8461808742 is 2478081648.

It is an interprime number because it is at equal distance from previous prime (8461808741) and next prime (8461808743).

It is a junction number, because it is equal to n+sod(n) for n = 8461808691 and 8461808700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8461808741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2544009 + ... + 2547332.

It is an arithmetic number, because the mean of its divisors is an integer number (1061544807).

Almost surely, 2^8461808742 is an apocalyptic number.

8461808742 is an abundant number, since it is smaller than the sum of its proper divisors (8522908170).

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

8461808742 is a wasteful number, since it uses less digits than its factorization.

8461808742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5091623.

The product of its (nonzero) digits is 688128, while the sum is 48.

The square root of 8461808742 is about 91988.0902182451. The cubic root of 8461808742 is about 2037.7664216684.

The spelling of 8461808742 in words is "eight billion, four hundred sixty-one million, eight hundred eight thousand, seven hundred forty-two".