7666260347 has 4 divisors (see below), whose sum is σ = 8117216856. Its totient is φ = 7215303840.

The previous prime is 7666260331. The next prime is 7666260359. The reversal of 7666260347 is 7430626667.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7430626667 = 1669 ⋅4452143.

It is a cyclic number.

It is not a de Polignac number, because 7666260347 - 2⁴ = 7666260331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7666260307) 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, 225478229 + ... + 225478262.

It is an arithmetic number, because the mean of its divisors is an integer number (2029304214).

Almost surely, 2^7666260347 is an apocalyptic number.

7666260347 is a deficient number, since it is larger than the sum of its proper divisors (450956509).

7666260347 is a wasteful number, since it uses less digits than its factorization.

7666260347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450956508.

The product of its (nonzero) digits is 1524096, while the sum is 47.

The square root of 7666260347 is about 87557.1832975456. The cubic root of 7666260347 is about 1971.7923981754.

The spelling of 7666260347 in words is "seven billion, six hundred sixty-six million, two hundred sixty thousand, three hundred forty-seven".