47214718772 has 24 divisors (see below), whose sum is σ = 90107942400. Its totient is φ = 21515566176.

The previous prime is 47214718717. The next prime is 47214718823. The reversal of 47214718772 is 27781741274.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 47214718772.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5742572 + ... + 5750787.

It is an arithmetic number, because the mean of its divisors is an integer number (3754497600).

Almost surely, 2^47214718772 is an apocalyptic number.

It is an amenable number.

47214718772 is a deficient number, since it is larger than the sum of its proper divisors (42893223628).

47214718772 is a wasteful number, since it uses less digits than its factorization.

47214718772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11493455 (or 11493453 counting only the distinct ones).

The product of its digits is 1229312, while the sum is 50.

The spelling of 47214718772 in words is "forty-seven billion, two hundred fourteen million, seven hundred eighteen thousand, seven hundred seventy-two".