8387037081 has 16 divisors (see below), whose sum is σ = 12428284800. Its totient is φ = 5589987984.

The previous prime is 8387037077. The next prime is 8387037119. The reversal of 8387037081 is 1807307838.

It is not a de Polignac number, because 8387037081 - 2² = 8387037077 is a prime.

It is a super-2 number, since 2×8387037081² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8387037031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80935 + ... + 152723.

It is an arithmetic number, because the mean of its divisors is an integer number (776767800).

Almost surely, 2^8387037081 is an apocalyptic number.

It is an amenable number.

8387037081 is a deficient number, since it is larger than the sum of its proper divisors (4041247719).

8387037081 is a wasteful number, since it uses less digits than its factorization.

8387037081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76125 (or 76119 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The square root of 8387037081 is about 91580.7680738702. The cubic root of 8387037081 is about 2031.7465035550.

The spelling of 8387037081 in words is "eight billion, three hundred eighty-seven million, thirty-seven thousand, eighty-one".