78326200 has 24 divisors (see below), whose sum is σ = 182108880. Its totient is φ = 31330400.

The previous prime is 78326179. The next prime is 78326231. The reversal of 78326200 is 262387.

It is a super-2 number, since 2×78326200² = 12269987212880000, which contains 22 as substring.

It is a congruent number.

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, 195616 + ... + 196015.

It is an arithmetic number, because the mean of its divisors is an integer number (7587870).

Almost surely, 2^78326200 is an apocalyptic number.

It is an amenable number.

78326200 is an abundant number, since it is smaller than the sum of its proper divisors (103782680).

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

78326200 is a wasteful number, since it uses less digits than its factorization.

78326200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391647 (or 391638 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 78326200 is about 8850.2090370793. The cubic root of 78326200 is about 427.8606557187.

Adding to 78326200 its reverse (262387), we get a palindrome (78588587).

The spelling of 78326200 in words is "seventy-eight million, three hundred twenty-six thousand, two hundred".