47134438278 has 8 divisors (see below), whose sum is σ = 94268876568. Its totient is φ = 15711479424.

The previous prime is 47134438259. The next prime is 47134438333. The reversal of 47134438278 is 87283443174.

It is a sphenic number, since it is the product of 3 distinct primes.

47134438278 is an admirable number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 47134438278.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3927869851 + ... + 3927869862.

It is an arithmetic number, because the mean of its divisors is an integer number (11783609571).

Almost surely, 2^47134438278 is an apocalyptic number.

47134438278 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

47134438278 is a wasteful number, since it uses less digits than its factorization.

47134438278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7855739718.

The product of its digits is 3612672, while the sum is 51.

The spelling of 47134438278 in words is "forty-seven billion, one hundred thirty-four million, four hundred thirty-eight thousand, two hundred seventy-eight".