7656886541 has 2 divisors, whose sum is σ = 7656886542. Its totient is φ = 7656886540.

The previous prime is 7656886529. The next prime is 7656886577. The reversal of 7656886541 is 1456886567.

7656886541 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7613260516 + 43626025 = 87254^2 + 6605^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7656886541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7656886511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3828443270 + 3828443271.

It is an arithmetic number, because the mean of its divisors is an integer number (3828443271).

Almost surely, 2^7656886541 is an apocalyptic number.

It is an amenable number.

7656886541 is a deficient number, since it is larger than the sum of its proper divisors (1).

7656886541 is an equidigital number, since it uses as much as digits as its factorization.

7656886541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9676800, while the sum is 56.

The square root of 7656886541 is about 87503.6373015431. The cubic root of 7656886541 is about 1970.9884104399.

The spelling of 7656886541 in words is "seven billion, six hundred fifty-six million, eight hundred eighty-six thousand, five hundred forty-one".