86897679868 has 48 divisors (see below), whose sum is σ = 157311221760. Its totient is φ = 41974632000.

The previous prime is 86897679857. The next prime is 86897679871.

86897679868 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 86897679791 and 86897679800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22216833 + ... + 22220743.

It is an arithmetic number, because the mean of its divisors is an integer number (3277317120).

Almost surely, 2^86897679868 is an apocalyptic number.

It is an amenable number.

86897679868 is a deficient number, since it is larger than the sum of its proper divisors (70413541892).

86897679868 is a wasteful number, since it uses less digits than its factorization.

86897679868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5338 (or 5336 counting only the distinct ones).

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

The spelling of 86897679868 in words is "eighty-six billion, eight hundred ninety-seven million, six hundred seventy-nine thousand, eight hundred sixty-eight".