78930960 has 120 divisors (see below), whose sum is σ = 255055104. Its totient is φ = 20171520.

The previous prime is 78930947. The next prime is 78930961. The reversal of 78930960 is 6903987.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (120).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78930961) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 766269 + ... + 766371.

Almost surely, 2^78930960 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 78930960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127527552).

78930960 is an abundant number, since it is smaller than the sum of its proper divisors (176124144).

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

78930960 is a wasteful number, since it uses less digits than its factorization.

78930960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253 (or 144 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 78930960 is about 8884.3097649733. The cubic root of 78930960 is about 428.9590106512.

The spelling of 78930960 in words is "seventy-eight million, nine hundred thirty thousand, nine hundred sixty".