528127663 has 4 divisors (see below), whose sum is σ = 603574480. Its totient is φ = 452680848.

The previous prime is 528127651. The next prime is 528127681. The reversal of 528127663 is 366721825.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 528127663 - 2⁵ = 528127631 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 (528127693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37723398 + ... + 37723411.

It is an arithmetic number, because the mean of its divisors is an integer number (150893620).

Almost surely, 2^528127663 is an apocalyptic number.

528127663 is a deficient number, since it is larger than the sum of its proper divisors (75446817).

528127663 is an equidigital number, since it uses as much as digits as its factorization.

528127663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75446816.

The product of its digits is 120960, while the sum is 40.

The square root of 528127663 is about 22981.0283277316. The cubic root of 528127663 is about 808.3131398883.

The spelling of 528127663 in words is "five hundred twenty-eight million, one hundred twenty-seven thousand, six hundred sixty-three".