78006306799 has 4 divisors (see below), whose sum is σ = 78014171560. Its totient is φ = 77998442040.

The previous prime is 78006306793. The next prime is 78006306817. The reversal of 78006306799 is 99760360087.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 78006306799 - 2³¹ = 75858823151 is a prime.

It is a Duffinian number.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3917484 + ... + 3937345.

It is an arithmetic number, because the mean of its divisors is an integer number (19503542890).

Almost surely, 2^78006306799 is an apocalyptic number.

78006306799 is a deficient number, since it is larger than the sum of its proper divisors (7864761).

78006306799 is an equidigital number, since it uses as much as digits as its factorization.

78006306799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7864760.

The product of its (nonzero) digits is 3429216, while the sum is 55.

The spelling of 78006306799 in words is "seventy-eight billion, six million, three hundred six thousand, seven hundred ninety-nine".