848475391 has 2 divisors, whose sum is σ = 848475392. Its totient is φ = 848475390.

The previous prime is 848475377. The next prime is 848475449. The reversal of 848475391 is 193574848.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 848475391 - 2²⁹ = 311604479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (848575391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 424237695 + 424237696.

It is an arithmetic number, because the mean of its divisors is an integer number (424237696).

Almost surely, 2^848475391 is an apocalyptic number.

848475391 is a deficient number, since it is larger than the sum of its proper divisors (1).

848475391 is an equidigital number, since it uses as much as digits as its factorization.

848475391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 967680, while the sum is 49.

The square root of 848475391 is about 29128.6009104454. The cubic root of 848475391 is about 946.7015399246.

The spelling of 848475391 in words is "eight hundred forty-eight million, four hundred seventy-five thousand, three hundred ninety-one".