509460087 has 16 divisors (see below), whose sum is σ = 697199360. Its totient is φ = 330728832.

The previous prime is 509460073. The next prime is 509460101. The reversal of 509460087 is 780064905.

It is an interprime number because it is at equal distance from previous prime (509460073) and next prime (509460101).

It is not a de Polignac number, because 509460087 - 2⁴ = 509460071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (509460047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37614 + ... + 49332.

It is an arithmetic number, because the mean of its divisors is an integer number (43574960).

Almost surely, 2^509460087 is an apocalyptic number.

509460087 is a deficient number, since it is larger than the sum of its proper divisors (187739273).

509460087 is a wasteful number, since it uses less digits than its factorization.

509460087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12102.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 509460087 is about 22571.2225411031. Note that the first 3 decimals coincide. The cubic root of 509460087 is about 798.6749351114.

The spelling of 509460087 in words is "five hundred nine million, four hundred sixty thousand, eighty-seven".