444720797 has 4 divisors (see below), whose sum is σ = 456740316. Its totient is φ = 432701280.

The previous prime is 444720791. The next prime is 444720817. The reversal of 444720797 is 797027444.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 260467321 + 184253476 = 16139^2 + 13574^2 .

It is a cyclic number.

It is not a de Polignac number, because 444720797 - 2⁴ = 444720781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444720791) 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, 6009704 + ... + 6009777.

It is an arithmetic number, because the mean of its divisors is an integer number (114185079).

Almost surely, 2^444720797 is an apocalyptic number.

It is an amenable number.

444720797 is a deficient number, since it is larger than the sum of its proper divisors (12019519).

444720797 is a wasteful number, since it uses less digits than its factorization.

444720797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12019518.

The product of its (nonzero) digits is 395136, while the sum is 44.

The square root of 444720797 is about 21088.4043256004. The cubic root of 444720797 is about 763.3009679499.

The spelling of 444720797 in words is "four hundred forty-four million, seven hundred twenty thousand, seven hundred ninety-seven".