797040970643 has 16 divisors (see below), whose sum is σ = 871223222016. Its totient is φ = 725895889920.

The previous prime is 797040970639. The next prime is 797040970721. The reversal of 797040970643 is 346079040797.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 797040970643 - 2² = 797040970639 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (797040970603) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 6842255 + ... + 6957767.

It is an arithmetic number, because the mean of its divisors is an integer number (54451451376).

Almost surely, 2^797040970643 is an apocalyptic number.

797040970643 is a deficient number, since it is larger than the sum of its proper divisors (74182251373).

797040970643 is a wasteful number, since it uses less digits than its factorization.

797040970643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128654.

The product of its (nonzero) digits is 8001504, while the sum is 56.

The spelling of 797040970643 in words is "seven hundred ninety-seven billion, forty million, nine hundred seventy thousand, six hundred forty-three".