78006306798 has 32 divisors (see below), whose sum is σ = 198111256320. Its totient is φ = 22287516120.

The previous prime is 78006306793. The next prime is 78006306817. The reversal of 78006306798 is 89760360087.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78006306793) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 103182568 + ... + 103183323.

It is an arithmetic number, because the mean of its divisors is an integer number (6190976760).

Almost surely, 2^78006306798 is an apocalyptic number.

78006306798 is an abundant number, since it is smaller than the sum of its proper divisors (120104949522).

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

78006306798 is a wasteful number, since it uses less digits than its factorization.

78006306798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206365909 (or 206365903 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 54.

The spelling of 78006306798 in words is "seventy-eight billion, six million, three hundred six thousand, seven hundred ninety-eight".