78527328 has 48 divisors (see below), whose sum is σ = 224876736. Its totient is φ = 23795840.

The previous prime is 78527327. The next prime is 78527333. The reversal of 78527328 is 82372587.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 78527328.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78527327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36126 + ... + 38237.

It is an arithmetic number, because the mean of its divisors is an integer number (4684932).

Almost surely, 2^78527328 is an apocalyptic number.

It is an amenable number.

78527328 is an abundant number, since it is smaller than the sum of its proper divisors (146349408).

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

78527328 is a wasteful number, since it uses less digits than its factorization.

78527328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74387 (or 74379 counting only the distinct ones).

The product of its digits is 188160, while the sum is 42.

The square root of 78527328 is about 8861.5646473972. The cubic root of 78527328 is about 428.2265665080.

The spelling of 78527328 in words is "seventy-eight million, five hundred twenty-seven thousand, three hundred twenty-eight".