5207893378957 has 2 divisors, whose sum is σ = 5207893378958. Its totient is φ = 5207893378956.

The previous prime is 5207893378901. The next prime is 5207893378979. The reversal of 5207893378957 is 7598733987025.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3092747821641 + 2115145557316 = 1758621^2 + 1454354^2 .

It is a cyclic number.

It is not a de Polignac number, because 5207893378957 - 2¹⁵ = 5207893346189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5207893378957.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5207893378997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2603946689478 + 2603946689479.

It is an arithmetic number, because the mean of its divisors is an integer number (2603946689479).

Almost surely, 2^{5207893378957} is an apocalyptic number.

It is an amenable number.

5207893378957 is a deficient number, since it is larger than the sum of its proper divisors (1).

5207893378957 is an equidigital number, since it uses as much as digits as its factorization.

5207893378957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 800150400, while the sum is 73.

The spelling of 5207893378957 in words is "five trillion, two hundred seven billion, eight hundred ninety-three million, three hundred seventy-eight thousand, nine hundred fifty-seven".