47692231 has 2 divisors, whose sum is σ = 47692232. Its totient is φ = 47692230.

The previous prime is 47692219. The next prime is 47692247. The reversal of 47692231 is 13229674.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47692231 - 2¹⁹ = 47167943 is a prime.

It is a super-2 number, since 2×47692231² = 4549097795514722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47692201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23846115 + 23846116.

It is an arithmetic number, because the mean of its divisors is an integer number (23846116).

Almost surely, 2^47692231 is an apocalyptic number.

47692231 is a deficient number, since it is larger than the sum of its proper divisors (1).

47692231 is an equidigital number, since it uses as much as digits as its factorization.

47692231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 34.

The square root of 47692231 is about 6905.9561973705. The cubic root of 47692231 is about 362.6457116949.

The spelling of 47692231 in words is "forty-seven million, six hundred ninety-two thousand, two hundred thirty-one".