47278725472 has 48 divisors (see below), whose sum is σ = 103457732112. Its totient is φ = 21084843520.

The previous prime is 47278725469. The next prime is 47278725497. The reversal of 47278725472 is 27452787274.

It is a happy number.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

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, 1248463 + ... + 1285774.

It is an arithmetic number, because the mean of its divisors is an integer number (2155369419).

Almost surely, 2^47278725472 is an apocalyptic number.

It is an amenable number.

47278725472 is an abundant number, since it is smaller than the sum of its proper divisors (56179006640).

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

47278725472 is a wasteful number, since it uses less digits than its factorization.

47278725472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2534311 (or 2534303 counting only the distinct ones).

The product of its digits is 12293120, while the sum is 55.

The spelling of 47278725472 in words is "forty-seven billion, two hundred seventy-eight million, seven hundred twenty-five thousand, four hundred seventy-two".