7660404331 has 4 divisors (see below), whose sum is σ = 7774738792. Its totient is φ = 7546069872.

The previous prime is 7660404319. The next prime is 7660404337. The reversal of 7660404331 is 1334040667.

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 7660404331 - 2⁹ = 7660403819 is a prime.

It is a super-2 number, since 2×7660404331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7660404337) 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, 57167130 + ... + 57167263.

It is an arithmetic number, because the mean of its divisors is an integer number (1943684698).

Almost surely, 2^7660404331 is an apocalyptic number.

7660404331 is a deficient number, since it is larger than the sum of its proper divisors (114334461).

7660404331 is a wasteful number, since it uses less digits than its factorization.

7660404331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114334460.

The product of its (nonzero) digits is 36288, while the sum is 34.

The square root of 7660404331 is about 87523.7358149205. The cubic root of 7660404331 is about 1971.2902068135.

Adding to 7660404331 its reverse (1334040667), we get a palindrome (8994444998).

The spelling of 7660404331 in words is "seven billion, six hundred sixty million, four hundred four thousand, three hundred thirty-one".