86798489768 has 8 divisors (see below), whose sum is σ = 162747168330. Its totient is φ = 43399244880.

The previous prime is 86798489761. The next prime is 86798489777.

86798489768 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 65547264484 + 21251225284 = 256022^2 + 145778^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 86798489692 and 86798489701.

It is not an unprimeable number, because it can be changed into a prime (86798489761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5424905603 + ... + 5424905618.

Almost surely, 2^86798489768 is an apocalyptic number.

It is an amenable number.

86798489768 is a deficient number, since it is larger than the sum of its proper divisors (75948678562).

86798489768 is a wasteful number, since it uses less digits than its factorization.

86798489768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10849811227 (or 10849811223 counting only the distinct ones).

The product of its digits is 2341011456, while the sum is 80.

The spelling of 86798489768 in words is "eighty-six billion, seven hundred ninety-eight million, four hundred eighty-nine thousand, seven hundred sixty-eight".