78081200 has 30 divisors (see below), whose sum is σ = 187591044. Its totient is φ = 31232320.

The previous prime is 78081173. The next prime is 78081233. The reversal of 78081200 is 218087.

It is a self number, because there is not a number n which added to its sum of digits gives 78081200.

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 5 ways as a sum of consecutive naturals, for example, 97202 + ... + 98001.

Almost surely, 2^78081200 is an apocalyptic number.

It is an amenable number.

78081200 is an abundant number, since it is smaller than the sum of its proper divisors (109509844).

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

78081200 is a wasteful number, since it uses less digits than its factorization.

78081200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195221 (or 195210 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 26.

The square root of 78081200 is about 8836.3567152984. The cubic root of 78081200 is about 427.4140816584.

Adding to 78081200 its reverse (218087), we get a palindrome (78299287).

The spelling of 78081200 in words is "seventy-eight million, eighty-one thousand, two hundred".