528385979 has 8 divisors (see below), whose sum is σ = 595015680. Its totient is φ = 464855400.

The previous prime is 528385973. The next prime is 528385981. The reversal of 528385979 is 979583825.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-528385979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (528385973) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 774419 + ... + 775100.

It is an arithmetic number, because the mean of its divisors is an integer number (74376960).

Almost surely, 2^528385979 is an apocalyptic number.

528385979 is a deficient number, since it is larger than the sum of its proper divisors (66629701).

528385979 is a wasteful number, since it uses less digits than its factorization.

528385979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1549561.

The product of its digits is 5443200, while the sum is 56.

The square root of 528385979 is about 22986.6478417363. The cubic root of 528385979 is about 808.4449048626. Note that the first 3 decimals are identical.

The spelling of 528385979 in words is "five hundred twenty-eight million, three hundred eighty-five thousand, nine hundred seventy-nine".