839613797 has 12 divisors (see below), whose sum is σ = 923700960. Its totient is φ = 762607560.

The previous prime is 839613773. The next prime is 839613809. The reversal of 839613797 is 797316938.

It is a happy number.

It is not a de Polignac number, because 839613797 - 2¹⁴ = 839597413 is a prime.

It is a super-2 number, since 2×839613797² = 1409902656225514418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (839613737) 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, 177104 + ... + 181782.

It is an arithmetic number, because the mean of its divisors is an integer number (76975080).

Almost surely, 2^839613797 is an apocalyptic number.

It is an amenable number.

839613797 is a deficient number, since it is larger than the sum of its proper divisors (84087163).

839613797 is a wasteful number, since it uses less digits than its factorization.

839613797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6184 (or 6173 counting only the distinct ones).

The product of its digits is 1714608, while the sum is 53.

The square root of 839613797 is about 28976.0900916601. The cubic root of 839613797 is about 943.3941717087.

The spelling of 839613797 in words is "eight hundred thirty-nine million, six hundred thirteen thousand, seven hundred ninety-seven".