78056528 has 40 divisors (see below), whose sum is σ = 167801760. Its totient is φ = 34874240.

The previous prime is 78056527. The next prime is 78056533. The reversal of 78056528 is 82565087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78056521) 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, 6626 + ... + 14142.

It is an arithmetic number, because the mean of its divisors is an integer number (4195044).

Almost surely, 2^78056528 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78056528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83900880).

78056528 is an abundant number, since it is smaller than the sum of its proper divisors (89745232).

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

78056528 is a wasteful number, since it uses less digits than its factorization.

78056528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7595 (or 7589 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 41.

The square root of 78056528 is about 8834.9605545243. The cubic root of 78056528 is about 427.3690589936.

The spelling of 78056528 in words is "seventy-eight million, fifty-six thousand, five hundred twenty-eight".