944873997 has 4 divisors (see below), whose sum is σ = 1259832000. Its totient is φ = 629915996.

The previous prime is 944873989. The next prime is 944874011. The reversal of 944873997 is 799378449.

It is a happy number.

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 944873997 - 2³ = 944873989 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 944873997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (944873197) 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, 157478997 + ... + 157479002.

It is an arithmetic number, because the mean of its divisors is an integer number (314958000).

Almost surely, 2^944873997 is an apocalyptic number.

It is an amenable number.

944873997 is a deficient number, since it is larger than the sum of its proper divisors (314958003).

944873997 is a wasteful number, since it uses less digits than its factorization.

944873997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314958002.

The product of its digits is 13716864, while the sum is 60.

The square root of 944873997 is about 30738.8027906098. The cubic root of 944873997 is about 981.2762758620.

The spelling of 944873997 in words is "nine hundred forty-four million, eight hundred seventy-three thousand, nine hundred ninety-seven".