868196987 has 8 divisors (see below), whose sum is σ = 1050591456. Its totient is φ = 700394112.

The previous prime is 868196941. The next prime is 868197023. The reversal of 868196987 is 789691868.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 868196987 - 2⁸ = 868196731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (868196687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3647768 + ... + 3648005.

It is an arithmetic number, because the mean of its divisors is an integer number (131323932).

Almost surely, 2^868196987 is an apocalyptic number.

868196987 is a deficient number, since it is larger than the sum of its proper divisors (182394469).

868196987 is a wasteful number, since it uses less digits than its factorization.

868196987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7295797.

The product of its digits is 10450944, while the sum is 62.

The square root of 868196987 is about 29465.1826228856. The cubic root of 868196987 is about 953.9803401961.

The spelling of 868196987 in words is "eight hundred sixty-eight million, one hundred ninety-six thousand, nine hundred eighty-seven".