868513386 has 16 divisors (see below), whose sum is σ = 1870644384. Its totient is φ = 267234864.

The previous prime is 868513379. The next prime is 868513403. The reversal of 868513386 is 683315868.

It is a super-2 number, since 2×868513386² = 1508631003322369992, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5567316 + ... + 5567471.

It is an arithmetic number, because the mean of its divisors is an integer number (116915274).

Almost surely, 2^868513386 is an apocalyptic number.

868513386 is an abundant number, since it is smaller than the sum of its proper divisors (1002130998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

868513386 is a wasteful number, since it uses less digits than its factorization.

868513386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11134805.

The product of its digits is 829440, while the sum is 48.

The square root of 868513386 is about 29470.5511655279. The cubic root of 868513386 is about 954.0962131954.

The spelling of 868513386 in words is "eight hundred sixty-eight million, five hundred thirteen thousand, three hundred eighty-six".