78000268400 has 60 divisors (see below), whose sum is σ = 187424544984. Its totient is φ = 31195296000.

The previous prime is 78000268369. The next prime is 78000268417. The reversal of 78000268400 is 486200087.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3774095 + ... + 3794705.

Almost surely, 2^78000268400 is an apocalyptic number.

It is an amenable number.

78000268400 is an abundant number, since it is smaller than the sum of its proper divisors (109424276584).

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

78000268400 is a wasteful number, since it uses less digits than its factorization.

78000268400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30090 (or 30079 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 35.

Adding to 78000268400 its reverse (486200087), we get a palindrome (78486468487).

The spelling of 78000268400 in words is "seventy-eight billion, two hundred sixty-eight thousand, four hundred".