533987987 has 8 divisors (see below), whose sum is σ = 600067104. Its totient is φ = 471480768.

The previous prime is 533987981. The next prime is 533987999. The reversal of 533987987 is 789789335.

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

It is a cyclic number.

It is not a de Polignac number, because 533987987 - 2²² = 529793683 is a prime.

It is not an unprimeable number, because it can be changed into a prime (533987981) 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, 892658 + ... + 893255.

It is an arithmetic number, because the mean of its divisors is an integer number (75008388).

Almost surely, 2^533987987 is an apocalyptic number.

533987987 is a deficient number, since it is larger than the sum of its proper divisors (66079117).

533987987 is a wasteful number, since it uses less digits than its factorization.

533987987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1785949.

The product of its digits is 11430720, while the sum is 59.

The square root of 533987987 is about 23108.1800884449. The cubic root of 533987987 is about 811.2919417253.

The spelling of 533987987 in words is "five hundred thirty-three million, nine hundred eighty-seven thousand, nine hundred eighty-seven".