86879697868 has 12 divisors (see below), whose sum is σ = 154616411880. Its totient is φ = 42703580192.

The previous prime is 86879697859. The next prime is 86879697881.

86879697868 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 86879697791 and 86879697800.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 184066921 + ... + 184067392.

It is an arithmetic number, because the mean of its divisors is an integer number (12884700990).

Almost surely, 2^86879697868 is an apocalyptic number.

It is an amenable number.

86879697868 is a deficient number, since it is larger than the sum of its proper divisors (67736714012).

86879697868 is a wasteful number, since it uses less digits than its factorization.

86879697868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368134376 (or 368134374 counting only the distinct ones).

The product of its digits is 3511517184, while the sum is 82.

The spelling of 86879697868 in words is "eighty-six billion, eight hundred seventy-nine million, six hundred ninety-seven thousand, eight hundred sixty-eight".