47866853 has 2 divisors, whose sum is σ = 47866854. Its totient is φ = 47866852.

The previous prime is 47866843. The next prime is 47866867. The reversal of 47866853 is 35866874.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47789569 + 77284 = 6913^2 + 278^2 .

It is a cyclic number.

It is not a de Polignac number, because 47866853 - 2⁴ = 47866837 is a prime.

It is a super-2 number, since 2×47866853² = 4582471232247218, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 47866798 and 47866807.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47866813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23933426 + 23933427.

It is an arithmetic number, because the mean of its divisors is an integer number (23933427).

Almost surely, 2^47866853 is an apocalyptic number.

It is an amenable number.

47866853 is a deficient number, since it is larger than the sum of its proper divisors (1).

47866853 is an equidigital number, since it uses as much as digits as its factorization.

47866853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 967680, while the sum is 47.

The square root of 47866853 is about 6918.5875003501. The cubic root of 47866853 is about 363.0877738300.

The spelling of 47866853 in words is "forty-seven million, eight hundred sixty-six thousand, eight hundred fifty-three".