8011497739 has 4 divisors (see below), whose sum is σ = 9155997424. Its totient is φ = 6866998056.

The previous prime is 8011497737. The next prime is 8011497749. The reversal of 8011497739 is 9377941108.

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 8011497739 - 2¹ = 8011497737 is a prime.

It is a super-2 number, since 2×8011497739² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8011497692 and 8011497701.

It is not an unprimeable number, because it can be changed into a prime (8011497737) 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, 572249832 + ... + 572249845.

It is an arithmetic number, because the mean of its divisors is an integer number (2288999356).

Almost surely, 2^8011497739 is an apocalyptic number.

8011497739 is a deficient number, since it is larger than the sum of its proper divisors (1144499685).

8011497739 is a wasteful number, since it uses less digits than its factorization.

8011497739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1144499684.

The product of its (nonzero) digits is 381024, while the sum is 49.

The square root of 8011497739 is about 89506.9703375106. The cubic root of 8011497739 is about 2000.9576862620.

The spelling of 8011497739 in words is "eight billion, eleven million, four hundred ninety-seven thousand, seven hundred thirty-nine".