5207720046831 has 32 divisors (see below), whose sum is σ = 8450661355200. Its totient is φ = 3154913556480.

The previous prime is 5207720046829. The next prime is 5207720046847. The reversal of 5207720046831 is 1386400277025.

5207720046831 is a `hidden beast` number, since 520 + 7 + 7 + 2 + 0 + 0 + 46 + 83 + 1 = 666.

It is not a de Polignac number, because 5207720046831 - 2¹ = 5207720046829 is a prime.

It is a super-2 number, since 2×5207720046831² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5207720046821) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 195603850 + ... + 195630471.

It is an arithmetic number, because the mean of its divisors is an integer number (264083167350).

Almost surely, 2^{5207720046831} is an apocalyptic number.

5207720046831 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

5207720046831 is a deficient number, since it is larger than the sum of its proper divisors (3242941308369).

5207720046831 is a wasteful number, since it uses less digits than its factorization.

5207720046831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391234376 (or 391234370 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The spelling of 5207720046831 in words is "five trillion, two hundred seven billion, seven hundred twenty million, forty-six thousand, eight hundred thirty-one".