86278687268 has 6 divisors (see below), whose sum is σ = 150987702726. Its totient is φ = 43139343632.

The previous prime is 86278687259. The next prime is 86278687277.

86278687268 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (86278687259) and next prime (86278687277).

It can be written as a sum of positive squares in only one way, i.e., 62119580644 + 24159106624 = 249238^2 + 155432^2 .

It is a junction number, because it is equal to n+sod(n) for n = 86278687198 and 86278687207.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10784835905 + ... + 10784835912.

It is an arithmetic number, because the mean of its divisors is an integer number (25164617121).

Almost surely, 2^86278687268 is an apocalyptic number.

It is an amenable number.

86278687268 is a deficient number, since it is larger than the sum of its proper divisors (64709015458).

86278687268 is a wasteful number, since it uses less digits than its factorization.

86278687268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21569671821 (or 21569671819 counting only the distinct ones).

The product of its digits is 173408256, while the sum is 68.

The spelling of 86278687268 in words is "eighty-six billion, two hundred seventy-eight million, six hundred eighty-seven thousand, two hundred sixty-eight".