98188866 has 24 divisors (see below), whose sum is σ = 217691760. Its totient is φ = 31968216.

The previous prime is 98188847. The next prime is 98188877. The reversal of 98188866 is 66888189.

It is a Curzon number.

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, 62656 + ... + 64203.

It is an arithmetic number, because the mean of its divisors is an integer number (9070490).

Almost surely, 2^98188866 is an apocalyptic number.

98188866 is an abundant number, since it is smaller than the sum of its proper divisors (119502894).

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

98188866 is a wasteful number, since it uses less digits than its factorization.

98188866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126910 (or 126907 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 54.

The square root of 98188866 is about 9909.0295185755. The cubic root of 98188866 is about 461.3396142007.

The spelling of 98188866 in words is "ninety-eight million, one hundred eighty-eight thousand, eight hundred sixty-six".