47931572148 has 48 divisors (see below), whose sum is σ = 120938759424. Its totient is φ = 14717409280.

The previous prime is 47931572141. The next prime is 47931572149. The reversal of 47931572148 is 84127513974.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 47931572148.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47931572141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2489973 + ... + 2509148.

It is an arithmetic number, because the mean of its divisors is an integer number (2519557488).

Almost surely, 2^47931572148 is an apocalyptic number.

It is an amenable number.

47931572148 is an abundant number, since it is smaller than the sum of its proper divisors (73007187276).

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

47931572148 is a wasteful number, since it uses less digits than its factorization.

47931572148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4999192 (or 4999190 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 51.

The spelling of 47931572148 in words is "forty-seven billion, nine hundred thirty-one million, five hundred seventy-two thousand, one hundred forty-eight".