47217798942 has 32 divisors (see below), whose sum is σ = 95177521152. Its totient is φ = 15615988704.

The previous prime is 47217798913. The next prime is 47217798959. The reversal of 47217798942 is 24989771274.

It is a congruent number.

It is an unprimeable number.

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, 458803 + ... + 552209.

It is an arithmetic number, because the mean of its divisors is an integer number (2974297536).

Almost surely, 2^47217798942 is an apocalyptic number.

47217798942 is an abundant number, since it is smaller than the sum of its proper divisors (47959722210).

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

47217798942 is a wasteful number, since it uses less digits than its factorization.

47217798942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94072.

The product of its digits is 14224896, while the sum is 60.

The spelling of 47217798942 in words is "forty-seven billion, two hundred seventeen million, seven hundred ninety-eight thousand, nine hundred forty-two".