47147107242 has 64 divisors (see below), whose sum is σ = 97047434880. Its totient is φ = 15265536000.

The previous prime is 47147107207. The next prime is 47147107247. The reversal of 47147107242 is 24270174174.

It is a self number, because there is not a number n which added to its sum of digits gives 47147107242.

It is not an unprimeable number, because it can be changed into a prime (47147107247) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7062018 + ... + 7068690.

It is an arithmetic number, because the mean of its divisors is an integer number (1516366170).

Almost surely, 2^47147107242 is an apocalyptic number.

47147107242 is an abundant number, since it is smaller than the sum of its proper divisors (49900327638).

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

47147107242 is a wasteful number, since it uses less digits than its factorization.

47147107242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6999.

The product of its (nonzero) digits is 87808, while the sum is 39.

The spelling of 47147107242 in words is "forty-seven billion, one hundred forty-seven million, one hundred seven thousand, two hundred forty-two".