47892811 has 2 divisors, whose sum is σ = 47892812. Its totient is φ = 47892810.

The previous prime is 47892809. The next prime is 47892847. The reversal of 47892811 is 11829874.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47892811 - 2¹ = 47892809 is a prime.

Together with 47892809, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (47892211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23946405 + 23946406.

It is an arithmetic number, because the mean of its divisors is an integer number (23946406).

Almost surely, 2^47892811 is an apocalyptic number.

47892811 is a deficient number, since it is larger than the sum of its proper divisors (1).

47892811 is an equidigital number, since it uses as much as digits as its factorization.

47892811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32256, while the sum is 40.

The square root of 47892811 is about 6920.4632070404. The cubic root of 47892811 is about 363.1533956443.

The spelling of 47892811 in words is "forty-seven million, eight hundred ninety-two thousand, eight hundred eleven".