78828605246 has 8 divisors (see below), whose sum is σ = 118244103600. Its totient is φ = 39413904048.

The previous prime is 78828605189. The next prime is 78828605267. The reversal of 78828605246 is 64250682887.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 78828605191 and 78828605200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255530 + ... + 472178.

It is an arithmetic number, because the mean of its divisors is an integer number (14780512950).

Almost surely, 2^78828605246 is an apocalyptic number.

78828605246 is a deficient number, since it is larger than the sum of its proper divisors (39415498354).

78828605246 is a wasteful number, since it uses less digits than its factorization.

78828605246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398578.

The product of its (nonzero) digits is 10321920, while the sum is 56.

The spelling of 78828605246 in words is "seventy-eight billion, eight hundred twenty-eight million, six hundred five thousand, two hundred forty-six".