78528359 has 16 divisors (see below), whose sum is σ = 96864768. Its totient is φ = 61994592.

The previous prime is 78528341. The next prime is 78528367. The reversal of 78528359 is 95382587.

It is a cyclic number.

It is not a de Polignac number, because 78528359 - 2²⁰ = 77479783 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78528379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65564 + ... + 66750.

It is an arithmetic number, because the mean of its divisors is an integer number (6054048).

Almost surely, 2^78528359 is an apocalyptic number.

78528359 is a deficient number, since it is larger than the sum of its proper divisors (18336409).

78528359 is a wasteful number, since it uses less digits than its factorization.

78528359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1934.

The product of its digits is 604800, while the sum is 47.

The square root of 78528359 is about 8861.6228197774. The cubic root of 78528359 is about 428.2284405887.

It can be divided in two parts, 78528 and 359, that added together give a palindrome (78887).

The spelling of 78528359 in words is "seventy-eight million, five hundred twenty-eight thousand, three hundred fifty-nine".