1044395977 has 4 divisors (see below), whose sum is σ = 1066617216. Its totient is φ = 1022174740.

The previous prime is 1044395953. The next prime is 1044396007. The reversal of 1044395977 is 7795934401.

1044395977 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1044395977 - 2¹⁵ = 1044363209 is a prime.

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 1044395977.

It is not an unprimeable number, because it can be changed into a prime (1044395377) 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, 11110549 + ... + 11110642.

It is an arithmetic number, because the mean of its divisors is an integer number (266654304).

Almost surely, 2^1044395977 is an apocalyptic number.

It is an amenable number.

1044395977 is a deficient number, since it is larger than the sum of its proper divisors (22221239).

1044395977 is an equidigital number, since it uses as much as digits as its factorization.

1044395977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22221238.

The product of its (nonzero) digits is 952560, while the sum is 49.

The square root of 1044395977 is about 32317.1158521301. The cubic root of 1044395977 is about 1014.5849053709.

The spelling of 1044395977 in words is "one billion, forty-four million, three hundred ninety-five thousand, nine hundred seventy-seven".