505775320453774 has 16 divisors (see below), whose sum is σ = 867399189647328. Its totient is φ = 216671905834272.

The previous prime is 505775320453721. The next prime is 505775320453783. The reversal of 505775320453774 is 477354023577505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7412113729 + ... + 7412181964.

It is an arithmetic number, because the mean of its divisors is an integer number (54212449352958).

Almost surely, 2^{505775320453774} is an apocalyptic number.

505775320453774 is a deficient number, since it is larger than the sum of its proper divisors (361623869193554).

505775320453774 is a wasteful number, since it uses less digits than its factorization.

505775320453774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14824298139.

The product of its (nonzero) digits is 432180000, while the sum is 64.

The spelling of 505775320453774 in words is "five hundred five trillion, seven hundred seventy-five billion, three hundred twenty million, four hundred fifty-three thousand, seven hundred seventy-four".