7645885466 has 16 divisors (see below), whose sum is σ = 11616974208. Its totient is φ = 3773640000.

The previous prime is 7645885463. The next prime is 7645885483. The reversal of 7645885466 is 6645885467.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (7645885463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180191 + ... + 218541.

It is an arithmetic number, because the mean of its divisors is an integer number (726060888).

Almost surely, 2^7645885466 is an apocalyptic number.

7645885466 is a deficient number, since it is larger than the sum of its proper divisors (3971088742).

7645885466 is a wasteful number, since it uses less digits than its factorization.

7645885466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39637.

The product of its digits is 38707200, while the sum is 59.

The square root of 7645885466 is about 87440.7540338028. The cubic root of 7645885466 is about 1970.0440150953.

Subtracting from 7645885466 its reverse (6645885467), we obtain a palindrome (999999999).

The spelling of 7645885466 in words is "seven billion, six hundred forty-five million, eight hundred eighty-five thousand, four hundred sixty-six".