79847911974897 has 12 divisors (see below), whose sum is σ = 125820952203024. Its totient is φ = 48392673924120.

The previous prime is 79847911974881. The next prime is 79847911974911.

79847911974897 is a `hidden beast` number, since 7 + 9 + 8 + 4 + 7 + 9 + 119 + 7 + 489 + 7 = 666.

79847911974897 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 79847911974897 - 2⁴ = 79847911974881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (79847911974197) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 403272282603 + ... + 403272282800.

It is an arithmetic number, because the mean of its divisors is an integer number (10485079350252).

Almost surely, 2^{79847911974897} is an apocalyptic number.

It is an amenable number.

79847911974897 is a deficient number, since it is larger than the sum of its proper divisors (45973040228127).

79847911974897 is a wasteful number, since it uses less digits than its factorization.

79847911974897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806544565420 (or 806544565417 counting only the distinct ones).

The product of its digits is 16131032064, while the sum is 90.

It can be divided in two parts, 79847911 and 974897, that added together give a palindrome (80822808).

The spelling of 79847911974897 in words is "seventy-nine trillion, eight hundred forty-seven billion, nine hundred eleven million, nine hundred seventy-four thousand, eight hundred ninety-seven".