867679686198 has 32 divisors (see below), whose sum is σ = 2076498396000. Its totient is φ = 266978364768.

The previous prime is 867679686187. The next prime is 867679686241. The reversal of 867679686198 is 891686976768.

867679686198 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 618004773 + ... + 618006176.

It is an arithmetic number, because the mean of its divisors is an integer number (64890574875).

Almost surely, 2^867679686198 is an apocalyptic number.

867679686198 is an abundant number, since it is smaller than the sum of its proper divisors (1208818709802).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

867679686198 is a wasteful number, since it uses less digits than its factorization.

867679686198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1236010973 (or 1236010967 counting only the distinct ones).

The product of its digits is 2633637888, while the sum is 81.

The spelling of 867679686198 in words is "eight hundred sixty-seven billion, six hundred seventy-nine million, six hundred eighty-six thousand, one hundred ninety-eight".