538897798787 has 2 divisors, whose sum is σ = 538897798788. Its totient is φ = 538897798786.

The previous prime is 538897798781. The next prime is 538897798837. The reversal of 538897798787 is 787897798835.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 538897798787 - 2¹⁴ = 538897782403 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 538897798699 and 538897798708.

It is not a weakly prime, because it can be changed into another prime (538897798781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269448899393 + 269448899394.

It is an arithmetic number, because the mean of its divisors is an integer number (269448899394).

Almost surely, 2^538897798787 is an apocalyptic number.

538897798787 is a deficient number, since it is larger than the sum of its proper divisors (1).

538897798787 is an equidigital number, since it uses as much as digits as its factorization.

538897798787 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11948912640, while the sum is 86.

The spelling of 538897798787 in words is "five hundred thirty-eight billion, eight hundred ninety-seven million, seven hundred ninety-eight thousand, seven hundred eighty-seven".