47836891 has 2 divisors, whose sum is σ = 47836892. Its totient is φ = 47836890.

The previous prime is 47836853. The next prime is 47836903. The reversal of 47836891 is 19863874.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47836891 - 2²⁵ = 14282459 is a prime.

It is not a weakly prime, because it can be changed into another prime (47836291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23918445 + 23918446.

It is an arithmetic number, because the mean of its divisors is an integer number (23918446).

Almost surely, 2^47836891 is an apocalyptic number.

47836891 is a deficient number, since it is larger than the sum of its proper divisors (1).

47836891 is an equidigital number, since it uses as much as digits as its factorization.

47836891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 46.

The square root of 47836891 is about 6916.4218350242. The cubic root of 47836891 is about 363.0120004027.

The spelling of 47836891 in words is "forty-seven million, eight hundred thirty-six thousand, eight hundred ninety-one".