7678800047 has 4 divisors (see below), whose sum is σ = 7679408520. Its totient is φ = 7678191576.

The previous prime is 7678799977. The next prime is 7678800053. The reversal of 7678800047 is 7400088767.

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 7678800047 - 2¹⁴ = 7678783663 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7678799974 and 7678800010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7678800247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 284897 + ... + 310682.

It is an arithmetic number, because the mean of its divisors is an integer number (1919852130).

Almost surely, 2^7678800047 is an apocalyptic number.

7678800047 is a deficient number, since it is larger than the sum of its proper divisors (608473).

7678800047 is a wasteful number, since it uses less digits than its factorization.

7678800047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608472.

The product of its (nonzero) digits is 526848, while the sum is 47.

The square root of 7678800047 is about 87628.7626695710. The cubic root of 7678800047 is about 1972.8668993006.

The spelling of 7678800047 in words is "seven billion, six hundred seventy-eight million, eight hundred thousand, forty-seven".