528678980 has 24 divisors (see below), whose sum is σ = 1136046912. Its totient is φ = 206553312.

The previous prime is 528678979. The next prime is 528679001. The reversal of 528678980 is 89876825.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 306512 + ... + 308231.

It is an arithmetic number, because the mean of its divisors is an integer number (47335288).

Almost surely, 2^528678980 is an apocalyptic number.

It is an amenable number.

528678980 is an abundant number, since it is smaller than the sum of its proper divisors (607367932).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

528678980 is a wasteful number, since it uses less digits than its factorization.

528678980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614795 (or 614793 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 53.

The square root of 528678980 is about 22993.0202452831. The cubic root of 528678980 is about 808.5943104135.

The spelling of 528678980 in words is "five hundred twenty-eight million, six hundred seventy-eight thousand, nine hundred eighty".