868680662 has 4 divisors (see below), whose sum is σ = 1303020996. Its totient is φ = 434340330.

The previous prime is 868680641. The next prime is 868680689. The reversal of 868680662 is 266086868.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 868680662.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217170164 + ... + 217170167.

It is an arithmetic number, because the mean of its divisors is an integer number (325755249).

Almost surely, 2^868680662 is an apocalyptic number.

868680662 is a deficient number, since it is larger than the sum of its proper divisors (434340334).

868680662 is a wasteful number, since it uses less digits than its factorization.

868680662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434340333.

The product of its (nonzero) digits is 1327104, while the sum is 50.

The square root of 868680662 is about 29473.3890484281. The cubic root of 868680662 is about 954.1574623581.

It can be divided in two parts, 8686806 and 62, that added together give a palindrome (8686868).

The spelling of 868680662 in words is "eight hundred sixty-eight million, six hundred eighty thousand, six hundred sixty-two".