47995656156924 has 144 divisors (see below), whose sum is σ = 134961796730880. Its totient is φ = 13222778325120.

The previous prime is 47995656156913. The next prime is 47995656156989. The reversal of 47995656156924 is 42965165659974.

It is a self number, because there is not a number n which added to its sum of digits gives 47995656156924.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 296317 + ... + 9801995.

It is an arithmetic number, because the mean of its divisors is an integer number (937234699520).

Almost surely, 2^{47995656156924} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47995656156924, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67480898365440).

47995656156924 is an abundant number, since it is smaller than the sum of its proper divisors (86966140573956).

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

47995656156924 is a wasteful number, since it uses less digits than its factorization.

47995656156924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9506008 (or 9505999 counting only the distinct ones).

The product of its digits is 4408992000, while the sum is 78.

The spelling of 47995656156924 in words is "forty-seven trillion, nine hundred ninety-five billion, six hundred fifty-six million, one hundred fifty-six thousand, nine hundred twenty-four".