7664128351 has 8 divisors (see below), whose sum is σ = 8363228544. Its totient is φ = 6965421720.

The previous prime is 7664128321. The next prime is 7664128369. The reversal of 7664128351 is 1538214667.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7664128351 - 2⁹ = 7664127839 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7664128298 and 7664128307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7664128321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56905 + ... + 136258.

It is an arithmetic number, because the mean of its divisors is an integer number (1045403568).

Almost surely, 2^7664128351 is an apocalyptic number.

7664128351 is a deficient number, since it is larger than the sum of its proper divisors (699100193).

7664128351 is a wasteful number, since it uses less digits than its factorization.

7664128351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196781.

The product of its digits is 241920, while the sum is 43.

The square root of 7664128351 is about 87545.0075732477. The cubic root of 7664128351 is about 1971.6095953017.

The spelling of 7664128351 in words is "seven billion, six hundred sixty-four million, one hundred twenty-eight thousand, three hundred fifty-one".