8070991582 has 4 divisors (see below), whose sum is σ = 12106487376. Its totient is φ = 4035495790.

The previous prime is 8070991567. The next prime is 8070991601. The reversal of 8070991582 is 2851990708.

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

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2017747894 + ... + 2017747897.

It is an arithmetic number, because the mean of its divisors is an integer number (3026621844).

Almost surely, 2^8070991582 is an apocalyptic number.

8070991582 is a deficient number, since it is larger than the sum of its proper divisors (4035495794).

8070991582 is a wasteful number, since it uses less digits than its factorization.

8070991582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4035495793.

The product of its (nonzero) digits is 362880, while the sum is 49.

The square root of 8070991582 is about 89838.6975751541. The cubic root of 8070991582 is about 2005.8985516088.

The spelling of 8070991582 in words is "eight billion, seventy million, nine hundred ninety-one thousand, five hundred eighty-two".