47278862444 has 24 divisors (see below), whose sum is σ = 90310418688. Its totient is φ = 21478303440.

The previous prime is 47278862419. The next prime is 47278862453. The reversal of 47278862444 is 44426887274.

It is a self number, because there is not a number n which added to its sum of digits gives 47278862444.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222872 + ... + 379775.

It is an arithmetic number, because the mean of its divisors is an integer number (3762934112).

Almost surely, 2^47278862444 is an apocalyptic number.

47278862444 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

47278862444 is a deficient number, since it is larger than the sum of its proper divisors (43031556244).

47278862444 is a wasteful number, since it uses less digits than its factorization.

47278862444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604445 (or 604443 counting only the distinct ones).

The product of its digits is 19267584, while the sum is 56.

The spelling of 47278862444 in words is "forty-seven billion, two hundred seventy-eight million, eight hundred sixty-two thousand, four hundred forty-four".