8006137856 has 24 divisors (see below), whose sum is σ = 16008370560. Its totient is φ = 4003067904.

The previous prime is 8006137819. The next prime is 8006137861. The reversal of 8006137856 is 6587316008.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1952576 + ... + 1956671.

It is an arithmetic number, because the mean of its divisors is an integer number (667015440).

Almost surely, 2^8006137856 is an apocalyptic number.

It is an amenable number.

8006137856 is a deficient number, since it is larger than the sum of its proper divisors (8002232704).

8006137856 is an equidigital number, since it uses as much as digits as its factorization.

8006137856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3909269 (or 3909249 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 8006137856 is about 89477.0241793948. The cubic root of 8006137856 is about 2000.5113572457.

The spelling of 8006137856 in words is "eight billion, six million, one hundred thirty-seven thousand, eight hundred fifty-six".