47375687 has 2 divisors, whose sum is σ = 47375688. Its totient is φ = 47375686.

The previous prime is 47375677. The next prime is 47375717. The reversal of 47375687 is 78657374.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47375687 - 2²⁴ = 30598471 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47375677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23687843 + 23687844.

It is an arithmetic number, because the mean of its divisors is an integer number (23687844).

Almost surely, 2^47375687 is an apocalyptic number.

47375687 is a deficient number, since it is larger than the sum of its proper divisors (1).

47375687 is an equidigital number, since it uses as much as digits as its factorization.

47375687 is an evil number, because the sum of its binary digits is even.

The product of its digits is 987840, while the sum is 47.

The square root of 47375687 is about 6882.9998547145. Note that the first 3 decimals coincide. The cubic root of 47375687 is about 361.8416098385.

The spelling of 47375687 in words is "forty-seven million, three hundred seventy-five thousand, six hundred eighty-seven".