47068891 has 2 divisors, whose sum is σ = 47068892. Its totient is φ = 47068890.

The previous prime is 47068877. The next prime is 47068897. The reversal of 47068891 is 19886074.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47068891 - 2⁵ = 47068859 is a prime.

It is not a weakly prime, because it can be changed into another prime (47068897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23534445 + 23534446.

It is an arithmetic number, because the mean of its divisors is an integer number (23534446).

Almost surely, 2^47068891 is an apocalyptic number.

47068891 is a deficient number, since it is larger than the sum of its proper divisors (1).

47068891 is an equidigital number, since it uses as much as digits as its factorization.

47068891 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 47068891 is about 6860.6771531679. The cubic root of 47068891 is about 361.0588450816.

The spelling of 47068891 in words is "forty-seven million, sixty-eight thousand, eight hundred ninety-one".