396859197599 has 4 divisors (see below), whose sum is σ = 399714299880. Its totient is φ = 394004095320.

The previous prime is 396859197589. The next prime is 396859197601. The reversal of 396859197599 is 995791958693.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 995791958693 = 7 ⋅142255994099.

It is a cyclic number.

It is not a de Polignac number, because 396859197599 - 2³⁶ = 328139720863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396859197589) 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, 1427550932 + ... + 1427551209.

It is an arithmetic number, because the mean of its divisors is an integer number (99928574970).

Almost surely, 2^396859197599 is an apocalyptic number.

396859197599 is a deficient number, since it is larger than the sum of its proper divisors (2855102281).

396859197599 is a wasteful number, since it uses less digits than its factorization.

396859197599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2855102280.

The product of its digits is 1488034800, while the sum is 80.

The spelling of 396859197599 in words is "three hundred ninety-six billion, eight hundred fifty-nine million, one hundred ninety-seven thousand, five hundred ninety-nine".