841856897 has 12 divisors (see below), whose sum is σ = 981949716. Its totient is φ = 719641440.

The previous prime is 841856891. The next prime is 841856923. The reversal of 841856897 is 798658148.

841856897 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 225030001 + 616826896 = 15001^2 + 24836^2 .

It is not a de Polignac number, because 841856897 - 2²⁴ = 825079681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (841856891) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4754 + ... + 41307.

It is an arithmetic number, because the mean of its divisors is an integer number (81829143).

Almost surely, 2^841856897 is an apocalyptic number.

It is an amenable number.

841856897 is a deficient number, since it is larger than the sum of its proper divisors (140092819).

841856897 is a wasteful number, since it uses less digits than its factorization.

841856897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46448 (or 46441 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 56.

The square root of 841856897 is about 29014.7703247846. The cubic root of 841856897 is about 944.2335440464.

The spelling of 841856897 in words is "eight hundred forty-one million, eight hundred fifty-six thousand, eight hundred ninety-seven".