7664128353 has 24 divisors (see below), whose sum is σ = 12685852608. Its totient is φ = 4367747232.

The previous prime is 7664128321. The next prime is 7664128369. The reversal of 7664128353 is 3538214667.

It is not a de Polignac number, because 7664128353 - 2⁵ = 7664128321 is a prime.

It is a super-2 number, since 2×7664128353² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7664128299 and 7664128308.

It is not an unprimeable number, because it can be changed into a prime (7664128753) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 139575 + ... + 186572.

It is an arithmetic number, because the mean of its divisors is an integer number (528577192).

Almost surely, 2^7664128353 is an apocalyptic number.

It is an amenable number.

7664128353 is a deficient number, since it is larger than the sum of its proper divisors (5021724255).

7664128353 is a wasteful number, since it uses less digits than its factorization.

7664128353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326533 (or 326530 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The square root of 7664128353 is about 87545.0075846704. The cubic root of 7664128353 is about 1971.6095954732.

The spelling of 7664128353 in words is "seven billion, six hundred sixty-four million, one hundred twenty-eight thousand, three hundred fifty-three".