47318078787 has 16 divisors (see below), whose sum is σ = 72622475520. Its totient is φ = 26844376032.

The previous prime is 47318078771. The next prime is 47318078807. The reversal of 47318078787 is 78787081374.

It is not a de Polignac number, because 47318078787 - 2⁴ = 47318078771 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47318078787.

It is not an unprimeable number, because it can be changed into a prime (47318078737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8102268 + ... + 8108105.

It is an arithmetic number, because the mean of its divisors is an integer number (4538904720).

Almost surely, 2^47318078787 is an apocalyptic number.

47318078787 is a deficient number, since it is larger than the sum of its proper divisors (25304396733).

47318078787 is a wasteful number, since it uses less digits than its factorization.

47318078787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16210522.

The product of its (nonzero) digits is 14751744, while the sum is 60.

The spelling of 47318078787 in words is "forty-seven billion, three hundred eighteen million, seventy-eight thousand, seven hundred eighty-seven".