8011952399 has 4 divisors (see below), whose sum is σ = 8740311720. Its totient is φ = 7283593080.

The previous prime is 8011952383. The next prime is 8011952407. The reversal of 8011952399 is 9932591108.

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

It is a cyclic number.

It is not a de Polignac number, because 8011952399 - 2⁴ = 8011952383 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 (8011952999) 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, 364179644 + ... + 364179665.

It is an arithmetic number, because the mean of its divisors is an integer number (2185077930).

Almost surely, 2^8011952399 is an apocalyptic number.

8011952399 is a deficient number, since it is larger than the sum of its proper divisors (728359321).

8011952399 is a wasteful number, since it uses less digits than its factorization.

8011952399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728359320.

The product of its (nonzero) digits is 174960, while the sum is 47.

The square root of 8011952399 is about 89509.5101036756. The cubic root of 8011952399 is about 2000.9955376202.

The spelling of 8011952399 in words is "eight billion, eleven million, nine hundred fifty-two thousand, three hundred ninety-nine".