528886987 has 2 divisors, whose sum is σ = 528886988. Its totient is φ = 528886986.

The previous prime is 528886931. The next prime is 528887011. The reversal of 528886987 is 789688825.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 528886987 - 2¹⁵ = 528854219 is a prime.

It is not a weakly prime, because it can be changed into another prime (528886927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264443493 + 264443494.

It is an arithmetic number, because the mean of its divisors is an integer number (264443494).

Almost surely, 2^528886987 is an apocalyptic number.

528886987 is a deficient number, since it is larger than the sum of its proper divisors (1).

528886987 is an equidigital number, since it uses as much as digits as its factorization.

528886987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15482880, while the sum is 61.

The square root of 528886987 is about 22997.5430644232. The cubic root of 528886987 is about 808.7003427631.

The spelling of 528886987 in words is "five hundred twenty-eight million, eight hundred eighty-six thousand, nine hundred eighty-seven".