505533422087 has 2 divisors, whose sum is σ = 505533422088. Its totient is φ = 505533422086.

The previous prime is 505533422081. The next prime is 505533422137. The reversal of 505533422087 is 780224335505.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 505533422087 - 2⁴ = 505533422071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (505533422081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252766711043 + 252766711044.

It is an arithmetic number, because the mean of its divisors is an integer number (252766711044).

Almost surely, 2^505533422087 is an apocalyptic number.

505533422087 is a deficient number, since it is larger than the sum of its proper divisors (1).

505533422087 is an equidigital number, since it uses as much as digits as its factorization.

505533422087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008000, while the sum is 44.

The spelling of 505533422087 in words is "five hundred five billion, five hundred thirty-three million, four hundred twenty-two thousand, eighty-seven".