1097066853 has 6 divisors (see below), whose sum is σ = 1584652134. Its totient is φ = 731377896.

The previous prime is 1097066791. The next prime is 1097066881. The reversal of 1097066853 is 3586607901.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1075971204 + 21095649 = 32802^2 + 4593^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1097066853 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1097066799 and 1097066808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1097064853) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 60948150 + ... + 60948167.

It is an arithmetic number, because the mean of its divisors is an integer number (264108689).

Almost surely, 2^1097066853 is an apocalyptic number.

It is an amenable number.

1097066853 is a deficient number, since it is larger than the sum of its proper divisors (487585281).

1097066853 is a wasteful number, since it uses less digits than its factorization.

1097066853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121896323 (or 121896320 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 1097066853 is about 33121.9995320331. Note that the first 3 decimals coincide. The cubic root of 1097066853 is about 1031.3617746835.

The spelling of 1097066853 in words is "one billion, ninety-seven million, sixty-six thousand, eight hundred fifty-three".