945728863 has 4 divisors (see below), whose sum is σ = 956355120. Its totient is φ = 935102608.

The previous prime is 945728827. The next prime is 945728867. The reversal of 945728863 is 368827549.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 368827549 = 3469 ⋅106321.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-945728863 is a prime.

It is a super-2 number, since 2×945728863² = 1788806164622545538, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 945728863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (945728867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5312995 + ... + 5313172.

It is an arithmetic number, because the mean of its divisors is an integer number (239088780).

Almost surely, 2^945728863 is an apocalyptic number.

945728863 is a deficient number, since it is larger than the sum of its proper divisors (10626257).

945728863 is a wasteful number, since it uses less digits than its factorization.

945728863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10626256.

The product of its digits is 2903040, while the sum is 52.

The square root of 945728863 is about 30752.7049704575. The cubic root of 945728863 is about 981.5721202007.

The spelling of 945728863 in words is "nine hundred forty-five million, seven hundred twenty-eight thousand, eight hundred sixty-three".