47047447280 has 40 divisors (see below), whose sum is σ = 109480564224. Its totient is φ = 18802592000.

The previous prime is 47047447241. The next prime is 47047447319. The reversal of 47047447280 is 8274474074.

It is an interprime number because it is at equal distance from previous prime (47047447241) and next prime (47047447319).

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163391 + ... + 347550.

Almost surely, 2^47047447280 is an apocalyptic number.

47047447280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47047447280 is an abundant number, since it is smaller than the sum of its proper divisors (62433116944).

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

47047447280 is a wasteful number, since it uses less digits than its factorization.

47047447280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512105 (or 512099 counting only the distinct ones).

The product of its (nonzero) digits is 1404928, while the sum is 47.

The spelling of 47047447280 in words is "forty-seven billion, forty-seven million, four hundred forty-seven thousand, two hundred eighty".