528738782 has 24 divisors (see below), whose sum is σ = 938827848. Its totient is φ = 221847120.

The previous prime is 528738773. The next prime is 528738797. The reversal of 528738782 is 287837825.

It is a self number, because there is not a number n which added to its sum of digits gives 528738782.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 80888 + ... + 87179.

It is an arithmetic number, because the mean of its divisors is an integer number (39117827).

Almost surely, 2^528738782 is an apocalyptic number.

528738782 is a deficient number, since it is larger than the sum of its proper divisors (410089066).

528738782 is a wasteful number, since it uses less digits than its factorization.

528738782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168104 (or 168093 counting only the distinct ones).

The product of its digits is 1505280, while the sum is 50.

The square root of 528738782 is about 22994.3206466292. The cubic root of 528738782 is about 808.6247975558.

The spelling of 528738782 in words is "five hundred twenty-eight million, seven hundred thirty-eight thousand, seven hundred eighty-two".