848551139 has 2 divisors, whose sum is σ = 848551140. Its totient is φ = 848551138.

The previous prime is 848551117. The next prime is 848551159. The reversal of 848551139 is 931155848.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 848551139 - 2¹² = 848547043 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 848551139.

It is not a weakly prime, because it can be changed into another prime (848551159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 424275569 + 424275570.

It is an arithmetic number, because the mean of its divisors is an integer number (424275570).

Almost surely, 2^848551139 is an apocalyptic number.

848551139 is a deficient number, since it is larger than the sum of its proper divisors (1).

848551139 is an equidigital number, since it uses as much as digits as its factorization.

848551139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 172800, while the sum is 44.

The square root of 848551139 is about 29129.9011155205. The cubic root of 848551139 is about 946.7297114800.

The spelling of 848551139 in words is "eight hundred forty-eight million, five hundred fifty-one thousand, one hundred thirty-nine".