867117398 has 16 divisors (see below), whose sum is σ = 1487260320. Its totient is φ = 371428416.

The previous prime is 867117397. The next prime is 867117409. The reversal of 867117398 is 893711768.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (867117397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13658 + ... + 43826.

It is an arithmetic number, because the mean of its divisors is an integer number (92953770).

Almost surely, 2^867117398 is an apocalyptic number.

867117398 is a deficient number, since it is larger than the sum of its proper divisors (620142922).

867117398 is a wasteful number, since it uses less digits than its factorization.

867117398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32231.

The product of its digits is 508032, while the sum is 50.

The square root of 867117398 is about 29446.8571837471. The cubic root of 867117398 is about 953.5847564431.

The spelling of 867117398 in words is "eight hundred sixty-seven million, one hundred seventeen thousand, three hundred ninety-eight".