797858909858797 has 8 divisors (see below), whose sum is σ = 825045879193056. Its totient is φ = 771121311918672.

The previous prime is 797858909858771. The next prime is 797858909858809.

797858909858797 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 797858909858797 - 2³¹ = 797856762375149 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 797858909858797.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (797858909850797) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112342844923 + ... + 112342852024.

It is an arithmetic number, because the mean of its divisors is an integer number (103130734899132).

Almost surely, 2^{797858909858797} is an apocalyptic number.

It is an amenable number.

797858909858797 is a deficient number, since it is larger than the sum of its proper divisors (27186969334259).

797858909858797 is a wasteful number, since it uses less digits than its factorization.

797858909858797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224685697067.

The product of its (nonzero) digits is 1613103206400, while the sum is 106.

The spelling of 797858909858797 in words is "seven hundred ninety-seven trillion, eight hundred fifty-eight billion, nine hundred nine million, eight hundred fifty-eight thousand, seven hundred ninety-seven".