8116768742 has 16 divisors (see below), whose sum is σ = 12267612000. Its totient is φ = 4027612800.

The previous prime is 8116768721. The next prime is 8116768757. The reversal of 8116768742 is 2478676118.

It is a happy number.

It is a super-2 number, since 2×8116768742² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 346559 + ... + 369237.

It is an arithmetic number, because the mean of its divisors is an integer number (766725750).

Almost surely, 2^8116768742 is an apocalyptic number.

8116768742 is a deficient number, since it is larger than the sum of its proper divisors (4150843258).

8116768742 is a wasteful number, since it uses less digits than its factorization.

8116768742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24031.

The product of its digits is 903168, while the sum is 50.

The square root of 8116768742 is about 90093.1115124791. Note that the first 3 decimals coincide. The cubic root of 8116768742 is about 2009.6837651712.

The spelling of 8116768742 in words is "eight billion, one hundred sixteen million, seven hundred sixty-eight thousand, seven hundred forty-two".