544997377 has 4 divisors (see below), whose sum is σ = 563790420. Its totient is φ = 526204336.

The previous prime is 544997303. The next prime is 544997381. The reversal of 544997377 is 773799445.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 773799445 = 5 ⋅154759889.

It can be written as a sum of positive squares in 2 ways, for example, as 246364416 + 298632961 = 15696^2 + 17281^2 .

It is a cyclic number.

It is not a de Polignac number, because 544997377 - 2⁷ = 544997249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (544997077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9396478 + ... + 9396535.

It is an arithmetic number, because the mean of its divisors is an integer number (140947605).

It is a Proth number, since it is equal to 2079 ⋅ 2¹⁸ + 1 and 2079 < 2¹⁸.

Almost surely, 2^544997377 is an apocalyptic number.

It is an amenable number.

544997377 is a deficient number, since it is larger than the sum of its proper divisors (18793043).

544997377 is a wasteful number, since it uses less digits than its factorization.

544997377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18793042.

The product of its digits is 6667920, while the sum is 55.

The square root of 544997377 is about 23345.1788813022. The cubic root of 544997377 is about 816.8296066017.

The spelling of 544997377 in words is "five hundred forty-four million, nine hundred ninety-seven thousand, three hundred seventy-seven".