8011243686 has 32 divisors (see below), whose sum is σ = 16254950400. Its totient is φ = 2631865280.

The previous prime is 8011243661. The next prime is 8011243687. The reversal of 8011243686 is 6863421108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8011243687) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141955 + ... + 190193.

It is an arithmetic number, because the mean of its divisors is an integer number (507967200).

Almost surely, 2^8011243686 is an apocalyptic number.

8011243686 is an abundant number, since it is smaller than the sum of its proper divisors (8243706714).

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

8011243686 is a wasteful number, since it uses less digits than its factorization.

8011243686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48644.

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 8011243686 is about 89505.5511462837. The cubic root of 8011243686 is about 2000.9365352158.

The spelling of 8011243686 in words is "eight billion, eleven million, two hundred forty-three thousand, six hundred eighty-six".