7665053999 has 4 divisors (see below), whose sum is σ = 7665713280. Its totient is φ = 7664394720.

The previous prime is 7665053989. The next prime is 7665054013. The reversal of 7665053999 is 9993505667.

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 7665053999 - 2⁸ = 7665053743 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 (7665053939) 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, 311882 + ... + 335559.

It is an arithmetic number, because the mean of its divisors is an integer number (1916428320).

Almost surely, 2^7665053999 is an apocalyptic number.

7665053999 is a deficient number, since it is larger than the sum of its proper divisors (659281).

7665053999 is a wasteful number, since it uses less digits than its factorization.

7665053999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659280.

The product of its (nonzero) digits is 13778100, while the sum is 59.

The square root of 7665053999 is about 87550.2941114420. The cubic root of 7665053999 is about 1971.6889669287.

The spelling of 7665053999 in words is "seven billion, six hundred sixty-five million, fifty-three thousand, nine hundred ninety-nine".