797994499797 has 48 divisors (see below), whose sum is σ = 1262853820800. Its totient is φ = 481554910080.

The previous prime is 797994499787. The next prime is 797994499807.

797994499797 is a `hidden beast` number, since 7 + 9 + 7 + 99 + 449 + 9 + 79 + 7 = 666.

797994499797 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (797994499787) and next prime (797994499807).

It is not a de Polignac number, because 797994499797 - 2⁷ = 797994499669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (797994499787) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 62195979 + ... + 62208807.

It is an arithmetic number, because the mean of its divisors is an integer number (26309454600).

Almost surely, 2^797994499797 is an apocalyptic number.

It is an amenable number.

797994499797 is a deficient number, since it is larger than the sum of its proper divisors (464859321003).

797994499797 is a wasteful number, since it uses less digits than its factorization.

797994499797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15498 (or 15495 counting only the distinct ones).

The product of its digits is 20415837456, while the sum is 90.

The spelling of 797994499797 in words is "seven hundred ninety-seven billion, nine hundred ninety-four million, four hundred ninety-nine thousand, seven hundred ninety-seven".