8011662973 has 4 divisors (see below), whose sum is σ = 8020737088. Its totient is φ = 8002588860.

The previous prime is 8011662959. The next prime is 8011662983. The reversal of 8011662973 is 3792661108.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8011662973 - 2⁵ = 8011662941 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 (8011662943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4535733 + ... + 4537498.

It is an arithmetic number, because the mean of its divisors is an integer number (2005184272).

Almost surely, 2^8011662973 is an apocalyptic number.

It is an amenable number.

8011662973 is a deficient number, since it is larger than the sum of its proper divisors (9074115).

8011662973 is an equidigital number, since it uses as much as digits as its factorization.

8011662973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9074114.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 8011662973 is about 89507.8933558376. The cubic root of 8011662973 is about 2000.9714424900.

The spelling of 8011662973 in words is "eight billion, eleven million, six hundred sixty-two thousand, nine hundred seventy-three".