7665713320 has 16 divisors (see below), whose sum is σ = 17247855060. Its totient is φ = 3066285312.

The previous prime is 7665713273. The next prime is 7665713333. The reversal of 7665713320 is 233175667.

It can be written as a sum of positive squares in 2 ways, for example, as 7665702916 + 10404 = 87554^2 + 102^2 .

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 191642833 = 7665713320 / (7 + 6 + 6 + 5 + 7 + 1 + 3 + 3 + 2 + 0).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95821377 + ... + 95821456.

Almost surely, 2^7665713320 is an apocalyptic number.

It is an amenable number.

7665713320 is an abundant number, since it is smaller than the sum of its proper divisors (9582141740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7665713320 is a wasteful number, since it uses less digits than its factorization.

7665713320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191642844 (or 191642840 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 40.

The square root of 7665713320 is about 87554.0594147410. The cubic root of 7665713320 is about 1971.7454978925.

Adding to 7665713320 its reverse (233175667), we get a palindrome (7898888987).

The spelling of 7665713320 in words is "seven billion, six hundred sixty-five million, seven hundred thirteen thousand, three hundred twenty".