846889151 has 2 divisors, whose sum is σ = 846889152. Its totient is φ = 846889150.

The previous prime is 846889111. The next prime is 846889159. The reversal of 846889151 is 151988648.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-846889151 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 846889151.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (846889159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 423444575 + 423444576.

It is an arithmetic number, because the mean of its divisors is an integer number (423444576).

Almost surely, 2^846889151 is an apocalyptic number.

846889151 is a deficient number, since it is larger than the sum of its proper divisors (1).

846889151 is an equidigital number, since it uses as much as digits as its factorization.

846889151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 552960, while the sum is 50.

The square root of 846889151 is about 29101.3599510401. The cubic root of 846889151 is about 946.1112133791. Note that the first 3 decimals are identical.

It can be divided in two parts, 84688 and 9151, that added together give a palindrome (93839).

The spelling of 846889151 in words is "eight hundred forty-six million, eight hundred eighty-nine thousand, one hundred fifty-one".