853845562097 has 4 divisors (see below), whose sum is σ = 931467885936. Its totient is φ = 776223238260.

The previous prime is 853845562069. The next prime is 853845562111. The reversal of 853845562097 is 790265548358.

853845562097 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 853845562097 - 2⁸ = 853845561841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (853845562697) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38811161903 + ... + 38811161924.

It is an arithmetic number, because the mean of its divisors is an integer number (232866971484).

Almost surely, 2^853845562097 is an apocalyptic number.

It is an amenable number.

853845562097 is a deficient number, since it is larger than the sum of its proper divisors (77622323839).

853845562097 is a wasteful number, since it uses less digits than its factorization.

853845562097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77622323838.

The product of its (nonzero) digits is 72576000, while the sum is 62.

The spelling of 853845562097 in words is "eight hundred fifty-three billion, eight hundred forty-five million, five hundred sixty-two thousand, ninety-seven".