47247338278 has 8 divisors (see below), whose sum is σ = 80995437072. Its totient is φ = 20248859256.

The previous prime is 47247338249. The next prime is 47247338279. The reversal of 47247338278 is 87283374274.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47247338279) 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 3 ways as a sum of consecutive naturals, for example, 1687404925 + ... + 1687404952.

It is an arithmetic number, because the mean of its divisors is an integer number (10124429634).

Almost surely, 2^47247338278 is an apocalyptic number.

47247338278 is a deficient number, since it is larger than the sum of its proper divisors (33748098794).

47247338278 is a wasteful number, since it uses less digits than its factorization.

47247338278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3374809886.

The product of its digits is 12644352, while the sum is 55.

The spelling of 47247338278 in words is "forty-seven billion, two hundred forty-seven million, three hundred thirty-eight thousand, two hundred seventy-eight".