47856128461767 has 12 divisors (see below), whose sum is σ = 69230413463640. Its totient is φ = 31855672760688.

The previous prime is 47856128461721. The next prime is 47856128461783. The reversal of 47856128461767 is 76716482165874.

It is a happy number.

47856128461767 is a `hidden beast` number, since 4 + 7 + 8 + 561 + 2 + 8 + 46 + 17 + 6 + 7 = 666.

It is not a de Polignac number, because 47856128461767 - 2²⁷ = 47855994244039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47856128461695 and 47856128461704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47856128461667) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4034400448 + ... + 4034412309.

It is an arithmetic number, because the mean of its divisors is an integer number (5769201121970).

Almost surely, 2^{47856128461767} is an apocalyptic number.

47856128461767 is a deficient number, since it is larger than the sum of its proper divisors (21374285001873).

47856128461767 is a wasteful number, since it uses less digits than its factorization.

47856128461767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8068813422 (or 8068813419 counting only the distinct ones).

The product of its digits is 758661120, while the sum is 72.

The spelling of 47856128461767 in words is "forty-seven trillion, eight hundred fifty-six billion, one hundred twenty-eight million, four hundred sixty-one thousand, seven hundred sixty-seven".