47897933 has 2 divisors, whose sum is σ = 47897934. Its totient is φ = 47897932.

The previous prime is 47897929. The next prime is 47897939. The reversal of 47897933 is 33979874.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46267204 + 1630729 = 6802^2 + 1277^2 .

It is a cyclic number.

It is not a de Polignac number, because 47897933 - 2² = 47897929 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47897939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23948966 + 23948967.

It is an arithmetic number, because the mean of its divisors is an integer number (23948967).

Almost surely, 2^47897933 is an apocalyptic number.

It is an amenable number.

47897933 is a deficient number, since it is larger than the sum of its proper divisors (1).

47897933 is an equidigital number, since it uses as much as digits as its factorization.

47897933 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1143072, while the sum is 50.

The square root of 47897933 is about 6920.8332590809. The cubic root of 47897933 is about 363.1663412573.

The spelling of 47897933 in words is "forty-seven million, eight hundred ninety-seven thousand, nine hundred thirty-three".