78058552 has 48 divisors (see below), whose sum is σ = 173277720. Its totient is φ = 32746560.

The previous prime is 78058549. The next prime is 78058597. The reversal of 78058552 is 25585087.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9483 + ... + 15685.

Almost surely, 2^78058552 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 78058552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86638860).

78058552 is an abundant number, since it is smaller than the sum of its proper divisors (95219168).

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

78058552 is a wasteful number, since it uses less digits than its factorization.

78058552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6244 (or 6229 counting only the distinct ones).

The product of its (nonzero) digits is 112000, while the sum is 40.

The square root of 78058552 is about 8835.0750987187. The cubic root of 78058552 is about 427.3727528443.

The spelling of 78058552 in words is "seventy-eight million, fifty-eight thousand, five hundred fifty-two".