528928607 has 4 divisors (see below), whose sum is σ = 529013856. Its totient is φ = 528843360.

The previous prime is 528928573. The next prime is 528928627. The reversal of 528928607 is 706829825.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-528928607 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 (528928627) 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, 32519 + ... + 45992.

It is an arithmetic number, because the mean of its divisors is an integer number (132253464).

Almost surely, 2^528928607 is an apocalyptic number.

528928607 is a deficient number, since it is larger than the sum of its proper divisors (85249).

528928607 is an equidigital number, since it uses as much as digits as its factorization.

528928607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85248.

The product of its (nonzero) digits is 483840, while the sum is 47.

The square root of 528928607 is about 22998.4479258927. The cubic root of 528928607 is about 808.7215553764.

The spelling of 528928607 in words is "five hundred twenty-eight million, nine hundred twenty-eight thousand, six hundred seven".