47815943208 has 32 divisors (see below), whose sum is σ = 130407118560. Its totient is φ = 14489679680.

The previous prime is 47815943177. The next prime is 47815943209. The reversal of 47815943208 is 80234951874.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (47815943209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90560235 + ... + 90560762.

It is an arithmetic number, because the mean of its divisors is an integer number (4075222455).

Almost surely, 2^47815943208 is an apocalyptic number.

It is an amenable number.

47815943208 is an abundant number, since it is smaller than the sum of its proper divisors (82591175352).

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

47815943208 is a wasteful number, since it uses less digits than its factorization.

47815943208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181121017 (or 181121013 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 51.

The spelling of 47815943208 in words is "forty-seven billion, eight hundred fifteen million, nine hundred forty-three thousand, two hundred eight".