78930700 has 36 divisors (see below), whose sum is σ = 173707632. Its totient is φ = 31124800.

The previous prime is 78930689. The next prime is 78930701. The reversal of 78930700 is 703987.

It is not an unprimeable number, because it can be changed into a prime (78930701) by changing a digit.

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, 1542 + ... + 12658.

It is an arithmetic number, because the mean of its divisors is an integer number (4825212).

Almost surely, 2^78930700 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 78930700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86853816).

78930700 is an abundant number, since it is smaller than the sum of its proper divisors (94776932).

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

78930700 is a wasteful number, since it uses less digits than its factorization.

78930700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11202 (or 11195 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 78930700 is about 8884.2951324233. The cubic root of 78930700 is about 428.9585396511.

The spelling of 78930700 in words is "seventy-eight million, nine hundred thirty thousand, seven hundred".