797642596438 has 8 divisors (see below), whose sum is σ = 1196476942320. Its totient is φ = 398816949000.

The previous prime is 797642596417. The next prime is 797642596507. The reversal of 797642596438 is 834695246797.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1940313 + ... + 2315188.

It is an arithmetic number, because the mean of its divisors is an integer number (149559617790).

Almost surely, 2^797642596438 is an apocalyptic number.

797642596438 is a deficient number, since it is larger than the sum of its proper divisors (398834345882).

797642596438 is a wasteful number, since it uses less digits than its factorization.

797642596438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4349222.

The product of its digits is 548674560, while the sum is 70.

The spelling of 797642596438 in words is "seven hundred ninety-seven billion, six hundred forty-two million, five hundred ninety-six thousand, four hundred thirty-eight".