7531775664 has 80 divisors (see below), whose sum is σ = 22246528512. Its totient is φ = 2150982144.

The previous prime is 7531775663. The next prime is 7531775747. The reversal of 7531775664 is 4665771357.

It is not an unprimeable number, because it can be changed into a prime (7531775663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1160332 + ... + 1166804.

Almost surely, 2^7531775664 is an apocalyptic number.

It is an amenable number.

7531775664 is an abundant number, since it is smaller than the sum of its proper divisors (14714752848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7531775664 is a wasteful number, since it uses less digits than its factorization.

7531775664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9954 (or 9948 counting only the distinct ones).

The product of its digits is 3704400, while the sum is 51.

The square root of 7531775664 is about 86785.8033551571. The cubic root of 7531775664 is about 1960.1943150401.

The spelling of 7531775664 in words is "seven billion, five hundred thirty-one million, seven hundred seventy-five thousand, six hundred sixty-four".