848358991 has 2 divisors, whose sum is σ = 848358992. Its totient is φ = 848358990.

The previous prime is 848358983. The next prime is 848359021. The reversal of 848358991 is 199853848.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 848358991 - 2³ = 848358983 is a prime.

It is a super-2 number, since 2×848358991² = 1439425955221076162, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (848358971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 424179495 + 424179496.

It is an arithmetic number, because the mean of its divisors is an integer number (424179496).

Almost surely, 2^848358991 is an apocalyptic number.

848358991 is a deficient number, since it is larger than the sum of its proper divisors (1).

848358991 is an equidigital number, since it uses as much as digits as its factorization.

848358991 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2488320, while the sum is 55.

The square root of 848358991 is about 29126.6028056826. The cubic root of 848358991 is about 946.6582461533.

The spelling of 848358991 in words is "eight hundred forty-eight million, three hundred fifty-eight thousand, nine hundred ninety-one".