868487355 has 12 divisors (see below), whose sum is σ = 1505378160. Its totient is φ = 463193232.

The previous prime is 868487329. The next prime is 868487363. The reversal of 868487355 is 553784868.

It is not a de Polignac number, because 868487355 - 2¹³ = 868479163 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9649815 + ... + 9649904.

It is an arithmetic number, because the mean of its divisors is an integer number (125448180).

Almost surely, 2^868487355 is an apocalyptic number.

868487355 is a deficient number, since it is larger than the sum of its proper divisors (636890805).

868487355 is a wasteful number, since it uses less digits than its factorization.

868487355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19299730 (or 19299727 counting only the distinct ones).

The product of its digits is 6451200, while the sum is 54.

The square root of 868487355 is about 29470.1095179506. The cubic root of 868487355 is about 954.0866810734.

The spelling of 868487355 in words is "eight hundred sixty-eight million, four hundred eighty-seven thousand, three hundred fifty-five".