528923487 has 8 divisors (see below), whose sum is σ = 706281904. Its totient is φ = 352090368.

The previous prime is 528923459. The next prime is 528923513. The reversal of 528923487 is 784329825.

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

It is not a de Polignac number, because 528923487 - 2¹⁰ = 528922463 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 (528923287) 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, 128968 + ... + 133005.

It is an arithmetic number, because the mean of its divisors is an integer number (88285238).

Almost surely, 2^528923487 is an apocalyptic number.

528923487 is a deficient number, since it is larger than the sum of its proper divisors (177358417).

528923487 is a wasteful number, since it uses less digits than its factorization.

528923487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262649.

The product of its digits is 967680, while the sum is 48.

The square root of 528923487 is about 22998.3366137640. The cubic root of 528923487 is about 808.7189459078.

The spelling of 528923487 in words is "five hundred twenty-eight million, nine hundred twenty-three thousand, four hundred eighty-seven".