47012778335 has 4 divisors (see below), whose sum is σ = 56415334008. Its totient is φ = 37610222664.

The previous prime is 47012778331. The next prime is 47012778349. The reversal of 47012778335 is 53387721074.

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 47012778335 - 2² = 47012778331 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47012778335.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47012778331) 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 3 ways as a sum of consecutive naturals, for example, 4701277829 + ... + 4701277838.

It is an arithmetic number, because the mean of its divisors is an integer number (14103833502).

Almost surely, 2^47012778335 is an apocalyptic number.

47012778335 is a deficient number, since it is larger than the sum of its proper divisors (9402555673).

47012778335 is an equidigital number, since it uses as much as digits as its factorization.

47012778335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9402555672.

The product of its (nonzero) digits is 987840, while the sum is 47.

The spelling of 47012778335 in words is "forty-seven billion, twelve million, seven hundred seventy-eight thousand, three hundred thirty-five".