47172432251788 has 24 divisors (see below), whose sum is σ = 83115821101824. Its totient is φ = 23425120074000.

The previous prime is 47172432251773. The next prime is 47172432251843. The reversal of 47172432251788 is 88715223427174.

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, 5266168 + ... + 11048863.

It is an arithmetic number, because the mean of its divisors is an integer number (3463159212576).

Almost surely, 2^{47172432251788} is an apocalyptic number.

It is an amenable number.

47172432251788 is a deficient number, since it is larger than the sum of its proper divisors (35943388850036).

47172432251788 is a wasteful number, since it uses less digits than its factorization.

47172432251788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16319973 (or 16319971 counting only the distinct ones).

The product of its digits is 42147840, while the sum is 61.

The spelling of 47172432251788 in words is "forty-seven trillion, one hundred seventy-two billion, four hundred thirty-two million, two hundred fifty-one thousand, seven hundred eighty-eight".