47677034681 has 2 divisors, whose sum is σ = 47677034682. Its totient is φ = 47677034680.

The previous prime is 47677034677. The next prime is 47677034687. The reversal of 47677034681 is 18643077674.

47677034681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40731312400 + 6945722281 = 201820^2 + 83341^2 .

It is a cyclic number.

It is not a de Polignac number, because 47677034681 - 2² = 47677034677 is a prime.

It is a super-2 number, since 2×47677034681² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (47677034687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23838517340 + 23838517341.

It is an arithmetic number, because the mean of its divisors is an integer number (23838517341).

Almost surely, 2^47677034681 is an apocalyptic number.

It is an amenable number.

47677034681 is a deficient number, since it is larger than the sum of its proper divisors (1).

47677034681 is an equidigital number, since it uses as much as digits as its factorization.

47677034681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4741632, while the sum is 53.

The spelling of 47677034681 in words is "forty-seven billion, six hundred seventy-seven million, thirty-four thousand, six hundred eighty-one".