47664853 has 2 divisors, whose sum is σ = 47664854. Its totient is φ = 47664852.

The previous prime is 47664847. The next prime is 47664871. The reversal of 47664853 is 35846674.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45927729 + 1737124 = 6777^2 + 1318^2 .

It is a cyclic number.

It is not a de Polignac number, because 47664853 - 2¹⁷ = 47533781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47664803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23832426 + 23832427.

It is an arithmetic number, because the mean of its divisors is an integer number (23832427).

Almost surely, 2^47664853 is an apocalyptic number.

It is an amenable number.

47664853 is a deficient number, since it is larger than the sum of its proper divisors (1).

47664853 is an equidigital number, since it uses as much as digits as its factorization.

47664853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 483840, while the sum is 43.

The square root of 47664853 is about 6903.9737108422. The cubic root of 47664853 is about 362.5763054587.

The spelling of 47664853 in words is "forty-seven million, six hundred sixty-four thousand, eight hundred fifty-three".