1044865057477 has 8 divisors (see below), whose sum is σ = 1079821695960. Its totient is φ = 1010359472640.

The previous prime is 1044865057447. The next prime is 1044865057567. The reversal of 1044865057477 is 7747505684401.

It can be written as a sum of positive squares in 4 ways, for example, as 802079041 + 1044062978436 = 28321^2 + 1021794^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1044865057477 - 2⁷ = 1044865057349 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 (1044865057447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112758702 + ... + 112767967.

It is an arithmetic number, because the mean of its divisors is an integer number (134977711995).

Almost surely, 2^{1044865057477} is an apocalyptic number.

It is an amenable number.

1044865057477 is a deficient number, since it is larger than the sum of its proper divisors (34956638483).

1044865057477 is a wasteful number, since it uses less digits than its factorization.

1044865057477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225526823.

The product of its (nonzero) digits is 26342400, while the sum is 58.

The spelling of 1044865057477 in words is "one trillion, forty-four billion, eight hundred sixty-five million, fifty-seven thousand, four hundred seventy-seven".