7656552271 has 4 divisors (see below), whose sum is σ = 7989445872. Its totient is φ = 7323658672.

The previous prime is 7656552269. The next prime is 7656552283. The reversal of 7656552271 is 1722556567.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1722556567 = 11801 ⋅145967.

It is a cyclic number.

It is not a de Polignac number, because 7656552271 - 2¹ = 7656552269 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 (7656553271) 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, 166446766 + ... + 166446811.

It is an arithmetic number, because the mean of its divisors is an integer number (1997361468).

Almost surely, 2^7656552271 is an apocalyptic number.

7656552271 is a deficient number, since it is larger than the sum of its proper divisors (332893601).

7656552271 is a wasteful number, since it uses less digits than its factorization.

7656552271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332893600.

The product of its digits is 882000, while the sum is 46.

The square root of 7656552271 is about 87501.7272458093. The cubic root of 7656552271 is about 1970.9597281167.

The spelling of 7656552271 in words is "seven billion, six hundred fifty-six million, five hundred fifty-two thousand, two hundred seventy-one".