7664213263 has 8 divisors (see below), whose sum is σ = 8995833632. Its totient is φ = 6391776096.

The previous prime is 7664213257. The next prime is 7664213269. The reversal of 7664213263 is 3623124667.

It is an interprime number because it is at equal distance from previous prime (7664213257) and next prime (7664213269).

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 7664213263 - 2¹⁷ = 7664082191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7664213269) 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, 14795520 + ... + 14796037.

It is an arithmetic number, because the mean of its divisors is an integer number (1124479204).

Almost surely, 2^7664213263 is an apocalyptic number.

7664213263 is a deficient number, since it is larger than the sum of its proper divisors (1331620369).

7664213263 is a wasteful number, since it uses less digits than its factorization.

7664213263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29591601.

The product of its digits is 217728, while the sum is 40.

The square root of 7664213263 is about 87545.4925338821. The cubic root of 7664213263 is about 1971.6168765253.

The spelling of 7664213263 in words is "seven billion, six hundred sixty-four million, two hundred thirteen thousand, two hundred sixty-three".