868574198 has 16 divisors (see below), whose sum is σ = 1323800064. Its totient is φ = 427322280.

The previous prime is 868574191. The next prime is 868574233. The reversal of 868574198 is 891475868.

It is a super-2 number, since 2×868574198² = 1508842274862686408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (868574191) 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, 135011 + ... + 141297.

It is an arithmetic number, because the mean of its divisors is an integer number (82737504).

Almost surely, 2^868574198 is an apocalyptic number.

868574198 is a deficient number, since it is larger than the sum of its proper divisors (455225866).

868574198 is a wasteful number, since it uses less digits than its factorization.

868574198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7387.

The product of its digits is 3870720, while the sum is 56.

The square root of 868574198 is about 29471.5828892851. The cubic root of 868574198 is about 954.1184808026.

The spelling of 868574198 in words is "eight hundred sixty-eight million, five hundred seventy-four thousand, one hundred ninety-eight".