507871447801 has 3 divisors (see below), whose sum is σ = 507872160453. Its totient is φ = 507870735150.

The previous prime is 507871447777. The next prime is 507871447807. The reversal of 507871447801 is 108744178705.

The square root of 507871447801 is 712651.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 108744178705 = 5 ⋅21748835741.

It is not a de Polignac number, because 507871447801 - 2⁷ = 507871447673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (507871447807) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 356326 + ... + 1068976.

It is an arithmetic number, because the mean of its divisors is an integer number (169290720151).

Almost surely, 2^507871447801 is an apocalyptic number.

507871447801 is the 712651-st square number.

507871447801 is the 356326-th centered octagonal number.

It is an amenable number.

507871447801 is a deficient number, since it is larger than the sum of its proper divisors (712652).

507871447801 is an frugal number, since it uses more digits than its factorization.

507871447801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1425302 (or 712651 counting only the distinct ones).

The product of its (nonzero) digits is 1756160, while the sum is 52.

The spelling of 507871447801 in words is "five hundred seven billion, eight hundred seventy-one million, four hundred forty-seven thousand, eight hundred one".