78846528 has 28 divisors (see below), whose sum is σ = 208615280. Its totient is φ = 26282112.

The previous prime is 78846511. The next prime is 78846529. The reversal of 78846528 is 82564887.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (78846529) 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, 205138 + ... + 205521.

Almost surely, 2^78846528 is an apocalyptic number.

It is an amenable number.

78846528 is an abundant number, since it is smaller than the sum of its proper divisors (129768752).

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

78846528 is a wasteful number, since it uses less digits than its factorization.

78846528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410674 (or 410664 counting only the distinct ones).

The product of its digits is 860160, while the sum is 48.

The square root of 78846528 is about 8879.5567456940. The cubic root of 78846528 is about 428.8060044084.

The spelling of 78846528 in words is "seventy-eight million, eight hundred forty-six thousand, five hundred twenty-eight".