8263991742 has 32 divisors (see below), whose sum is σ = 16799798400. Its totient is φ = 2709726048.

The previous prime is 8263991741. The next prime is 8263991759. The reversal of 8263991742 is 2471993628.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8263991741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45453 + ... + 136359.

It is an arithmetic number, because the mean of its divisors is an integer number (524993700).

Almost surely, 2^8263991742 is an apocalyptic number.

It is a pronic number, being equal to 90906×90907.

8263991742 is an abundant number, since it is smaller than the sum of its proper divisors (8535806658).

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

8263991742 is a wasteful number, since it uses less digits than its factorization.

8263991742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91160.

The product of its digits is 1306368, while the sum is 51.

The square root of 8263991742 is about 90906.4999986250. The cubic root of 8263991742 is about 2021.7616679313.

The spelling of 8263991742 in words is "eight billion, two hundred sixty-three million, nine hundred ninety-one thousand, seven hundred forty-two".