531989799 has 8 divisors (see below), whose sum is σ = 773803392. Its totient is φ = 322418040.

The previous prime is 531989771. The next prime is 531989803. The reversal of 531989799 is 997989135.

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

It is not a de Polignac number, because 531989799 - 2¹⁷ = 531858727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531989599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8060419 + ... + 8060484.

It is an arithmetic number, because the mean of its divisors is an integer number (96725424).

Almost surely, 2^531989799 is an apocalyptic number.

531989799 is a deficient number, since it is larger than the sum of its proper divisors (241813593).

531989799 is a wasteful number, since it uses less digits than its factorization.

531989799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16120917.

The product of its digits is 5511240, while the sum is 60.

The square root of 531989799 is about 23064.9040535615. The cubic root of 531989799 is about 810.2787228575.

The spelling of 531989799 in words is "five hundred thirty-one million, nine hundred eighty-nine thousand, seven hundred ninety-nine".