78422300 has 36 divisors (see below), whose sum is σ = 185649576. Its totient is φ = 28516800.

The previous prime is 78422297. The next prime is 78422317. The reversal of 78422300 is 322487.

It is a self number, because there is not a number n which added to its sum of digits gives 78422300.

It is a congruent number.

It is an unprimeable number.

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, 34547 + ... + 36746.

Almost surely, 2^78422300 is an apocalyptic number.

It is an amenable number.

78422300 is an abundant number, since it is smaller than the sum of its proper divisors (107227276).

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

78422300 is a wasteful number, since it uses less digits than its factorization.

78422300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71318 (or 71311 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 78422300 is about 8855.6366230780. The cubic root of 78422300 is about 428.0355678364.

Adding to 78422300 its reverse (322487), we get a palindrome (78744787).

The spelling of 78422300 in words is "seventy-eight million, four hundred twenty-two thousand, three hundred".