853197937 has 4 divisors (see below), whose sum is σ = 853549056. Its totient is φ = 852846820.

The previous prime is 853197931. The next prime is 853197941. The reversal of 853197937 is 739791358.

It is a happy number.

853197937 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, and also an emirpimes, since its reverse is a distinct semiprime: 739791358 = 2 ⋅369895679.

It is a cyclic number.

It is not a de Polignac number, because 853197937 - 2³ = 853197929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (853197931) 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, 171889 + ... + 176782.

It is an arithmetic number, because the mean of its divisors is an integer number (213387264).

Almost surely, 2^853197937 is an apocalyptic number.

It is an amenable number.

853197937 is a deficient number, since it is larger than the sum of its proper divisors (351119).

853197937 is a wasteful number, since it uses less digits than its factorization.

853197937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351118.

The product of its digits is 1428840, while the sum is 52.

The square root of 853197937 is about 29209.5521533624. The cubic root of 853197937 is about 948.4547128864.

The spelling of 853197937 in words is "eight hundred fifty-three million, one hundred ninety-seven thousand, nine hundred thirty-seven".