528808978 has 8 divisors (see below), whose sum is σ = 793835568. Its totient is φ = 264197124.

The previous prime is 528808967. The next prime is 528808979. The reversal of 528808978 is 879808825.

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

It is not an unprimeable number, because it can be changed into a prime (528808979) 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, 100476 + ... + 105607.

It is an arithmetic number, because the mean of its divisors is an integer number (99229446).

Almost surely, 2^528808978 is an apocalyptic number.

528808978 is a deficient number, since it is larger than the sum of its proper divisors (265026590).

528808978 is a wasteful number, since it uses less digits than its factorization.

528808978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207368.

The product of its (nonzero) digits is 2580480, while the sum is 55.

The square root of 528808978 is about 22995.8469728775. The cubic root of 528808978 is about 808.6605806409.

The spelling of 528808978 in words is "five hundred twenty-eight million, eight hundred eight thousand, nine hundred seventy-eight".