509922887 has 2 divisors, whose sum is σ = 509922888. Its totient is φ = 509922886.

The previous prime is 509922859. The next prime is 509922961. The reversal of 509922887 is 788229905.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 509922887 - 2¹⁸ = 509660743 is a prime.

It is a super-4 number, since 4×509922887⁴ (a number of 36 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (509922827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 254961443 + 254961444.

It is an arithmetic number, because the mean of its divisors is an integer number (254961444).

Almost surely, 2^509922887 is an apocalyptic number.

509922887 is a deficient number, since it is larger than the sum of its proper divisors (1).

509922887 is an equidigital number, since it uses as much as digits as its factorization.

509922887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 725760, while the sum is 50.

The square root of 509922887 is about 22581.4722062137. The cubic root of 509922887 is about 798.9167040620.

The spelling of 509922887 in words is "five hundred nine million, nine hundred twenty-two thousand, eight hundred eighty-seven".