532257785879 has 2 divisors, whose sum is σ = 532257785880. Its totient is φ = 532257785878.

The previous prime is 532257785809. The next prime is 532257785911. The reversal of 532257785879 is 978587752235.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-532257785879 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (532257785809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 266128892939 + 266128892940.

It is an arithmetic number, because the mean of its divisors is an integer number (266128892940).

Almost surely, 2^532257785879 is an apocalyptic number.

532257785879 is a deficient number, since it is larger than the sum of its proper divisors (1).

532257785879 is an equidigital number, since it uses as much as digits as its factorization.

532257785879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 296352000, while the sum is 68.

The spelling of 532257785879 in words is "five hundred thirty-two billion, two hundred fifty-seven million, seven hundred eighty-five thousand, eight hundred seventy-nine".