68887149198 has 32 divisors (see below), whose sum is σ = 159674042880. Its totient is φ = 19404829920.

The previous prime is 68887149181. The next prime is 68887149217. The reversal of 68887149198 is 89194178886.

It is a super-3 number, since 3×68887149198³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11547513 + ... + 11553476.

It is an arithmetic number, because the mean of its divisors is an integer number (4989813840).

Almost surely, 2^68887149198 is an apocalyptic number.

68887149198 is an abundant number, since it is smaller than the sum of its proper divisors (90786893682).

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

68887149198 is a wasteful number, since it uses less digits than its factorization.

68887149198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23101072.

The product of its digits is 55738368, while the sum is 69.

The spelling of 68887149198 in words is "sixty-eight billion, eight hundred eighty-seven million, one hundred forty-nine thousand, one hundred ninety-eight".