47211261678681 has 32 divisors (see below), whose sum is σ = 65771276728320. Its totient is φ = 30066301229184.

The previous prime is 47211261678641. The next prime is 47211261678683. The reversal of 47211261678681 is 18687616211274.

It is a happy number.

It is not a de Polignac number, because 47211261678681 - 2¹⁸ = 47211261416537 is a prime.

It is a super-2 number, since 2×47211261678681² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (47211261678683) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1112323846 + ... + 1112366288.

It is an arithmetic number, because the mean of its divisors is an integer number (2055352397760).

Almost surely, 2^{47211261678681} is an apocalyptic number.

It is an amenable number.

47211261678681 is a deficient number, since it is larger than the sum of its proper divisors (18560015049639).

47211261678681 is a wasteful number, since it uses less digits than its factorization.

47211261678681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63205.

The product of its digits is 10838016, while the sum is 60.

The spelling of 47211261678681 in words is "forty-seven trillion, two hundred eleven billion, two hundred sixty-one million, six hundred seventy-eight thousand, six hundred eighty-one".