47921775895842 has 32 divisors (see below), whose sum is σ = 97033275950400. Its totient is φ = 15776055829248.

The previous prime is 47921775895837. The next prime is 47921775895843. The reversal of 47921775895842 is 24859857712974.

47921775895842 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×47921775895842² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (47921775895843) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 51777123 + ... + 52694534.

It is an arithmetic number, because the mean of its divisors is an integer number (3032289873450).

Almost surely, 2^{47921775895842} is an apocalyptic number.

47921775895842 is an abundant number, since it is smaller than the sum of its proper divisors (49111500054558).

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

47921775895842 is a wasteful number, since it uses less digits than its factorization.

47921775895842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104472610.

The product of its digits is 2844979200, while the sum is 78.

The spelling of 47921775895842 in words is "forty-seven trillion, nine hundred twenty-one billion, seven hundred seventy-five million, eight hundred ninety-five thousand, eight hundred forty-two".