47191956672 has 112 divisors (see below), whose sum is σ = 142749950720. Its totient is φ = 13478648832.

The previous prime is 47191956671. The next prime is 47191956683. The reversal of 47191956672 is 27665919174.

It is a happy number.

47191956672 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (112).

It is not an unprimeable number, because it can be changed into a prime (47191956671) 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, 5851779 + ... + 5859837.

Almost surely, 2^47191956672 is an apocalyptic number.

47191956672 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

47191956672 is an abundant number, since it is smaller than the sum of its proper divisors (95557994048).

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

47191956672 is a wasteful number, since it uses less digits than its factorization.

47191956672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12438 (or 12428 counting only the distinct ones).

The product of its digits is 5715360, while the sum is 57.

The spelling of 47191956672 in words is "forty-seven billion, one hundred ninety-one million, nine hundred fifty-six thousand, six hundred seventy-two".