8137849208 has 16 divisors (see below), whose sum is σ = 15442305480. Its totient is φ = 4019901088.

The previous prime is 8137849199. The next prime is 8137849211. The reversal of 8137849208 is 8029487318.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6127235 + ... + 6128562.

Almost surely, 2^8137849208 is an apocalyptic number.

It is an amenable number.

8137849208 is a deficient number, since it is larger than the sum of its proper divisors (7304456272).

8137849208 is a wasteful number, since it uses less digits than its factorization.

8137849208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12255886 (or 12255882 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 50.

The square root of 8137849208 is about 90210.0283117127. The cubic root of 8137849208 is about 2011.4220778877.

The spelling of 8137849208 in words is "eight billion, one hundred thirty-seven million, eight hundred forty-nine thousand, two hundred eight".