964221625928 has 108 divisors (see below), whose sum is σ = 2044770144795. Its totient is φ = 425937156480.

The previous prime is 964221625919. The next prime is 964221625931. The reversal of 964221625928 is 829526122469.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 5 ways, for example, as 398082759844 + 566138866084 = 630938^2 + 752422^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=694342.

It is a super-2 number, since 2×964221625928² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1130388350 + ... + 1130389202.

Almost surely, 2^964221625928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 964221625928

964221625928 is an abundant number, since it is smaller than the sum of its proper divisors (1080548518867).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

964221625928 is an equidigital number, since it uses as much as digits as its factorization.

964221625928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1808 (or 903 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 56.

The spelling of 964221625928 in words is "nine hundred sixty-four billion, two hundred twenty-one million, six hundred twenty-five thousand, nine hundred twenty-eight".