78055080 has 64 divisors (see below), whose sum is σ = 235224000. Its totient is φ = 20720640.

The previous prime is 78055073. The next prime is 78055093. The reversal of 78055080 is 8055087.

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 15 ways as a sum of consecutive naturals, for example, 27571 + ... + 30269.

It is an arithmetic number, because the mean of its divisors is an integer number (3675375).

Almost surely, 2^78055080 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 78055080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117612000).

78055080 is an abundant number, since it is smaller than the sum of its proper divisors (157168920).

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

78055080 is a wasteful number, since it uses less digits than its factorization.

78055080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2954 (or 2950 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 33.

The square root of 78055080 is about 8834.8786069759. The cubic root of 78055080 is about 427.3664163181.

The spelling of 78055080 in words is "seventy-eight million, fifty-five thousand, eighty".