8081572386 has 16 divisors (see below), whose sum is σ = 16357882464. Its totient is φ = 2661401184.

The previous prime is 8081572381. The next prime is 8081572417. The reversal of 8081572386 is 6832751808.

It is not an unprimeable number, because it can be changed into a prime (8081572381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8113531 + ... + 8114526.

It is an arithmetic number, because the mean of its divisors is an integer number (1022367654).

Almost surely, 2^8081572386 is an apocalyptic number.

8081572386 is an abundant number, since it is smaller than the sum of its proper divisors (8276310078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8081572386 is a wasteful number, since it uses less digits than its factorization.

8081572386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16228145.

The product of its (nonzero) digits is 645120, while the sum is 48.

The square root of 8081572386 is about 89897.5660738376. The cubic root of 8081572386 is about 2006.7747244759.

The spelling of 8081572386 in words is "eight billion, eighty-one million, five hundred seventy-two thousand, three hundred eighty-six".