848867391 has 8 divisors (see below), whose sum is σ = 1257581360. Its totient is φ = 565911576.

The previous prime is 848867387. The next prime is 848867401. The reversal of 848867391 is 193768848.

848867391 is a `hidden beast` number, since 8 + 488 + 6 + 73 + 91 = 666.

848867391 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 848867391 - 2² = 848867387 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (848867491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15719740 + ... + 15719793.

It is an arithmetic number, because the mean of its divisors is an integer number (157197670).

Almost surely, 2^848867391 is an apocalyptic number.

848867391 is a deficient number, since it is larger than the sum of its proper divisors (408713969).

848867391 is a wasteful number, since it uses less digits than its factorization.

848867391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31439542 (or 31439536 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 54.

The square root of 848867391 is about 29135.3289152534. The cubic root of 848867391 is about 946.8473111401.

The spelling of 848867391 in words is "eight hundred forty-eight million, eight hundred sixty-seven thousand, three hundred ninety-one".