47632781856 has 48 divisors (see below), whose sum is σ = 136402969248. Its totient is φ = 14434176000.

The previous prime is 47632781839. The next prime is 47632781893. The reversal of 47632781856 is 65818723674.

It is a tau number, because it is divible by the number of its divisors (48).

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 47632781796 and 47632781805.

It is an unprimeable number.

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, 22552345 + ... + 22554456.

It is an arithmetic number, because the mean of its divisors is an integer number (2841728526).

Almost surely, 2^47632781856 is an apocalyptic number.

It is an amenable number.

47632781856 is an abundant number, since it is smaller than the sum of its proper divisors (88770187392).

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

47632781856 is a wasteful number, since it uses less digits than its factorization.

47632781856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45106825 (or 45106817 counting only the distinct ones).

The product of its digits is 13547520, while the sum is 57.

The spelling of 47632781856 in words is "forty-seven billion, six hundred thirty-two million, seven hundred eighty-one thousand, eight hundred fifty-six".