7713856009 has 8 divisors (see below), whose sum is σ = 7902832392. Its totient is φ = 7526488320.

The previous prime is 7713855997. The next prime is 7713856021. The reversal of 7713856009 is 9006583177.

It is an interprime number because it is at equal distance from previous prime (7713855997) and next prime (7713856021).

It can be written as a sum of positive squares in 4 ways, for example, as 248377600 + 7465478409 = 15760^2 + 86403^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7713856009 - 2¹⁵ = 7713823241 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7713856009.

It is not an unprimeable number, because it can be changed into a prime (7713856039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 392464 + ... + 411649.

It is an arithmetic number, because the mean of its divisors is an integer number (987854049).

Almost surely, 2^7713856009 is an apocalyptic number.

It is an amenable number.

7713856009 is a deficient number, since it is larger than the sum of its proper divisors (188976383).

7713856009 is a wasteful number, since it uses less digits than its factorization.

7713856009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804347.

The product of its (nonzero) digits is 317520, while the sum is 46.

The square root of 7713856009 is about 87828.5603263540. The cubic root of 7713856009 is about 1975.8645797726.

The spelling of 7713856009 in words is "seven billion, seven hundred thirteen million, eight hundred fifty-six thousand, nine".