508778041487 has 2 divisors, whose sum is σ = 508778041488. Its totient is φ = 508778041486.

The previous prime is 508778041459. The next prime is 508778041489. The reversal of 508778041487 is 784140877805.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 508778041487 - 2⁸ = 508778041231 is a prime.

Together with 508778041489, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (508778041489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 254389020743 + 254389020744.

It is an arithmetic number, because the mean of its divisors is an integer number (254389020744).

Almost surely, 2^508778041487 is an apocalyptic number.

508778041487 is a deficient number, since it is larger than the sum of its proper divisors (1).

508778041487 is an equidigital number, since it uses as much as digits as its factorization.

508778041487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14049280, while the sum is 59.

The spelling of 508778041487 in words is "five hundred eight billion, seven hundred seventy-eight million, forty-one thousand, four hundred eighty-seven".