8081037688 has 32 divisors (see below), whose sum is σ = 16098076800. Its totient is φ = 3795748992.

The previous prime is 8081037683. The next prime is 8081037689. The reversal of 8081037688 is 8867301808.

It is a super-2 number, since 2×8081037688² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8081037683) 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, 462120 + ... + 479287.

It is an arithmetic number, because the mean of its divisors is an integer number (503064900).

Almost surely, 2^8081037688 is an apocalyptic number.

It is an amenable number.

8081037688 is a deficient number, since it is larger than the sum of its proper divisors (8017039112).

8081037688 is a wasteful number, since it uses less digits than its factorization.

8081037688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 941479 (or 941475 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 49.

The square root of 8081037688 is about 89894.5920954092. The cubic root of 8081037688 is about 2006.7304656755.

The spelling of 8081037688 in words is "eight billion, eighty-one million, thirty-seven thousand, six hundred eighty-eight".