533864987 has 8 divisors (see below), whose sum is σ = 547265520. Its totient is φ = 520629120.

The previous prime is 533864941. The next prime is 533864999. The reversal of 533864987 is 789468335.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-533864987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (533864087) 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, 34589 + ... + 47582.

It is an arithmetic number, because the mean of its divisors is an integer number (68408190).

Almost surely, 2^533864987 is an apocalyptic number.

533864987 is a deficient number, since it is larger than the sum of its proper divisors (13400533).

533864987 is an equidigital number, since it uses as much as digits as its factorization.

533864987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82333.

The product of its digits is 4354560, while the sum is 53.

The square root of 533864987 is about 23105.5185399506. The cubic root of 533864987 is about 811.2296453353.

The spelling of 533864987 in words is "five hundred thirty-three million, eight hundred sixty-four thousand, nine hundred eighty-seven".