8114988509 has 16 divisors (see below), whose sum is σ = 8544797184. Its totient is φ = 7697894400.

The previous prime is 8114988473. The next prime is 8114988533. The reversal of 8114988509 is 9058894118.

It is a happy number.

It is not a de Polignac number, because 8114988509 - 2²⁸ = 7846553053 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8114988599) 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, 382829 + ... + 403469.

It is an arithmetic number, because the mean of its divisors is an integer number (534049824).

Almost surely, 2^8114988509 is an apocalyptic number.

It is an amenable number.

8114988509 is a deficient number, since it is larger than the sum of its proper divisors (429808675).

8114988509 is a wasteful number, since it uses less digits than its factorization.

8114988509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20948.

The product of its (nonzero) digits is 829440, while the sum is 53.

The square root of 8114988509 is about 90083.2310088842. The cubic root of 8114988509 is about 2009.5368279245.

The spelling of 8114988509 in words is "eight billion, one hundred fourteen million, nine hundred eighty-eight thousand, five hundred nine".