47097811 has 2 divisors, whose sum is σ = 47097812. Its totient is φ = 47097810.

The previous prime is 47097797. The next prime is 47097833. The reversal of 47097811 is 11879074.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47097811 - 2⁷ = 47097683 is a prime.

It is not a weakly prime, because it can be changed into another prime (47097881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23548905 + 23548906.

It is an arithmetic number, because the mean of its divisors is an integer number (23548906).

Almost surely, 2^47097811 is an apocalyptic number.

47097811 is a deficient number, since it is larger than the sum of its proper divisors (1).

47097811 is an equidigital number, since it uses as much as digits as its factorization.

47097811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14112, while the sum is 37.

The square root of 47097811 is about 6862.7844931922. The cubic root of 47097811 is about 361.1327770266.

The spelling of 47097811 in words is "forty-seven million, ninety-seven thousand, eight hundred eleven".