78851300 has 72 divisors (see below), whose sum is σ = 188842080. Its totient is φ = 28339200.

The previous prime is 78851299. The next prime is 78851347. The reversal of 78851300 is 315887.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 106331 + ... + 107069.

Almost surely, 2^78851300 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 78851300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94421040).

78851300 is an abundant number, since it is smaller than the sum of its proper divisors (109990780).

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

78851300 is a wasteful number, since it uses less digits than its factorization.

78851300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 861 (or 854 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 78851300 is about 8879.8254487349. The cubic root of 78851300 is about 428.8146550576.

The spelling of 78851300 in words is "seventy-eight million, eight hundred fifty-one thousand, three hundred".