964894663 has 4 divisors (see below), whose sum is σ = 968563728. Its totient is φ = 961225600.

The previous prime is 964894639. The next prime is 964894739. The reversal of 964894663 is 366498469.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 964894663 - 2²⁵ = 931340231 is a prime.

It is a super-3 number, since 3×964894663³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (964894603) 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 3 ways as a sum of consecutive naturals, for example, 1834138 + ... + 1834663.

It is an arithmetic number, because the mean of its divisors is an integer number (242140932).

Almost surely, 2^964894663 is an apocalyptic number.

964894663 is a deficient number, since it is larger than the sum of its proper divisors (3669065).

964894663 is a wasteful number, since it uses less digits than its factorization.

964894663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3669064.

The product of its digits is 6718464, while the sum is 55.

The square root of 964894663 is about 31062.7536287432. The cubic root of 964894663 is about 988.1585546403.

The spelling of 964894663 in words is "nine hundred sixty-four million, eight hundred ninety-four thousand, six hundred sixty-three".