963447089 has 4 divisors (see below), whose sum is σ = 1051033200. Its totient is φ = 875860980.

The previous prime is 963447073. The next prime is 963447097. The reversal of 963447089 is 980744369.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 963447089 - 2⁴ = 963447073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (963440089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43793039 + ... + 43793060.

It is an arithmetic number, because the mean of its divisors is an integer number (262758300).

Almost surely, 2^963447089 is an apocalyptic number.

It is an amenable number.

963447089 is a deficient number, since it is larger than the sum of its proper divisors (87586111).

963447089 is a wasteful number, since it uses less digits than its factorization.

963447089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87586110.

The product of its (nonzero) digits is 1306368, while the sum is 50.

The square root of 963447089 is about 31039.4440832950. Note that the first 3 decimals coincide. The cubic root of 963447089 is about 987.6641488382.

The spelling of 963447089 in words is "nine hundred sixty-three million, four hundred forty-seven thousand, eighty-nine".