509796488787 has 8 divisors (see below), whose sum is σ = 685080846336. Its totient is φ = 337188228552.

The previous prime is 509796488777. The next prime is 509796488833. The reversal of 509796488787 is 787884697905.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 509796488787 - 2¹⁴ = 509796472403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (509796488777) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 669023883 + ... + 669024644.

It is an arithmetic number, because the mean of its divisors is an integer number (85635105792).

Almost surely, 2^509796488787 is an apocalyptic number.

509796488787 is a deficient number, since it is larger than the sum of its proper divisors (175284357549).

509796488787 is a wasteful number, since it uses less digits than its factorization.

509796488787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1338048657.

The product of its (nonzero) digits is 1706987520, while the sum is 78.

The spelling of 509796488787 in words is "five hundred nine billion, seven hundred ninety-six million, four hundred eighty-eight thousand, seven hundred eighty-seven".