8081975927 has 4 divisors (see below), whose sum is σ = 8192688000. Its totient is φ = 7971263856.

The previous prime is 8081975921. The next prime is 8081975953. The reversal of 8081975927 is 7295791808.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8081975927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8081975921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55355927 + ... + 55356072.

It is an arithmetic number, because the mean of its divisors is an integer number (2048172000).

Almost surely, 2^8081975927 is an apocalyptic number.

8081975927 is a deficient number, since it is larger than the sum of its proper divisors (110712073).

8081975927 is a wasteful number, since it uses less digits than its factorization.

8081975927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110712072.

The product of its (nonzero) digits is 2540160, while the sum is 56.

The square root of 8081975927 is about 89899.8104947947. The cubic root of 8081975927 is about 2006.8081256657.

The spelling of 8081975927 in words is "eight billion, eighty-one million, nine hundred seventy-five thousand, nine hundred twenty-seven".