47159631816 has 32 divisors (see below), whose sum is σ = 128617178400. Its totient is φ = 14290797440.

The previous prime is 47159631811. The next prime is 47159631821. The reversal of 47159631816 is 61813695174.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (47159631811) and next prime (47159631821).

It is not an unprimeable number, because it can be changed into a prime (47159631811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89317221 + ... + 89317748.

It is an arithmetic number, because the mean of its divisors is an integer number (4019286825).

Almost surely, 2^47159631816 is an apocalyptic number.

It is an amenable number.

47159631816 is an abundant number, since it is smaller than the sum of its proper divisors (81457546584).

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

47159631816 is a wasteful number, since it uses less digits than its factorization.

47159631816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178634989 (or 178634985 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 51.

The spelling of 47159631816 in words is "forty-seven billion, one hundred fifty-nine million, six hundred thirty-one thousand, eight hundred sixteen".