8025664331 has 8 divisors (see below), whose sum is σ = 8216478000. Its totient is φ = 7836676960.

The previous prime is 8025664261. The next prime is 8025664343. The reversal of 8025664331 is 1334665208.

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 8025664331 - 2²⁶ = 7958555467 is a prime.

It is a super-2 number, since 2×8025664331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8025624331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 447680 + ... + 465261.

It is an arithmetic number, because the mean of its divisors is an integer number (1027059750).

Almost surely, 2^8025664331 is an apocalyptic number.

8025664331 is a deficient number, since it is larger than the sum of its proper divisors (190813669).

8025664331 is a wasteful number, since it uses less digits than its factorization.

8025664331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913149.

The product of its (nonzero) digits is 103680, while the sum is 38.

The square root of 8025664331 is about 89586.0721931707. The cubic root of 8025664331 is about 2002.1364113108.

The spelling of 8025664331 in words is "eight billion, twenty-five million, six hundred sixty-four thousand, three hundred thirty-one".