503270777320405 has 8 divisors (see below), whose sum is σ = 605084097725784. Its totient is φ = 401843845228800.

The previous prime is 503270777320403. The next prime is 503270777320411. The reversal of 503270777320405 is 504023777072305.

It can be written as a sum of positive squares in 4 ways, for example, as 159720029765521 + 343550747554884 = 12638039^2 + 18535122^2 .

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

It is not a de Polignac number, because 503270777320405 - 2¹ = 503270777320403 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 (503270777320403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96597075576 + ... + 96597080785.

It is an arithmetic number, because the mean of its divisors is an integer number (75635512215723).

Almost surely, 2^{503270777320405} is an apocalyptic number.

It is an amenable number.

503270777320405 is a deficient number, since it is larger than the sum of its proper divisors (101813320405379).

503270777320405 is a wasteful number, since it uses less digits than its factorization.

503270777320405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193194156887.

The product of its (nonzero) digits is 8643600, while the sum is 52.

The spelling of 503270777320405 in words is "five hundred three trillion, two hundred seventy billion, seven hundred seventy-seven million, three hundred twenty thousand, four hundred five".