7664623475 has 12 divisors (see below), whose sum is σ = 9553383336. Its totient is φ = 6099924480.

The previous prime is 7664623471. The next prime is 7664623493. The reversal of 7664623475 is 5743264667.

It is not a de Polignac number, because 7664623475 - 2² = 7664623471 is a prime.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7664623471) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 789437 + ... + 799086.

It is an arithmetic number, because the mean of its divisors is an integer number (796115278).

Almost surely, 2^7664623475 is an apocalyptic number.

7664623475 is a deficient number, since it is larger than the sum of its proper divisors (1888759861).

7664623475 is a wasteful number, since it uses less digits than its factorization.

7664623475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1588726 (or 1588721 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 50.

The square root of 7664623475 is about 87547.8353530229. The cubic root of 7664623475 is about 1971.6520515413.

The spelling of 7664623475 in words is "seven billion, six hundred sixty-four million, six hundred twenty-three thousand, four hundred seventy-five".