8049981807 has 72 divisors (see below), whose sum is σ = 14857464960. Its totient is φ = 4168311840.

The previous prime is 8049981799. The next prime is 8049981817. The reversal of 8049981807 is 7081899408.

It is not a de Polignac number, because 8049981807 - 2³ = 8049981799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8049981817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 171832 + ... + 213602.

It is an arithmetic number, because the mean of its divisors is an integer number (206353680).

Almost surely, 2^8049981807 is an apocalyptic number.

8049981807 is a deficient number, since it is larger than the sum of its proper divisors (6807483153).

8049981807 is a wasteful number, since it uses less digits than its factorization.

8049981807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41833 (or 41823 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 54.

The square root of 8049981807 is about 89721.6908389493. The cubic root of 8049981807 is about 2004.1565063267.

The spelling of 8049981807 in words is "eight billion, forty-nine million, nine hundred eighty-one thousand, eight hundred seven".