8538540766 has 12 divisors (see below), whose sum is σ = 14898882528. Its totient is φ = 3659374572.

The previous prime is 8538540763. The next prime is 8538540767. The reversal of 8538540766 is 6670458358.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8538540763) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 43563886 + ... + 43564081.

It is an arithmetic number, because the mean of its divisors is an integer number (1241573544).

Almost surely, 2^8538540766 is an apocalyptic number.

8538540766 is a deficient number, since it is larger than the sum of its proper divisors (6360341762).

8538540766 is a wasteful number, since it uses less digits than its factorization.

8538540766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87127983 (or 87127976 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 52.

The square root of 8538540766 is about 92404.2248276560. The cubic root of 8538540766 is about 2043.9074127699.

The spelling of 8538540766 in words is "eight billion, five hundred thirty-eight million, five hundred forty thousand, seven hundred sixty-six".