47773637637372 has 36 divisors (see below), whose sum is σ = 120763779136000. Its totient is φ = 15924197806272.

The previous prime is 47773637637371. The next prime is 47773637637409. The reversal of 47773637637372 is 27373673637774.

47773637637372 is a `hidden beast` number, since 4 + 7 + 77 + 363 + 7 + 63 + 73 + 72 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Smith number, since the sum of its digits (72) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 47773637637372.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47773637637371) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12830497 + ... + 16129752.

Almost surely, 2^{47773637637372} is an apocalyptic number.

It is an amenable number.

47773637637372 is an abundant number, since it is smaller than the sum of its proper divisors (72990141498628).

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

47773637637372 is a wasteful number, since it uses less digits than its factorization.

47773637637372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29006082 (or 29006077 counting only the distinct ones).

The product of its digits is 2744515872, while the sum is 72.

The spelling of 47773637637372 in words is "forty-seven trillion, seven hundred seventy-three billion, six hundred thirty-seven million, six hundred thirty-seven thousand, three hundred seventy-two".