98163791 has 12 divisors (see below), whose sum is σ = 109942056. Its totient is φ = 87550320.

The previous prime is 98163781. The next prime is 98163803. The reversal of 98163791 is 19736189.

It is not a de Polignac number, because 98163791 - 2⁶ = 98163727 is a prime.

It is a super-2 number, since 2×98163791² = 19272259726983362, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98163731) 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 11 ways as a sum of consecutive naturals, for example, 1241 + ... + 14066.

It is an arithmetic number, because the mean of its divisors is an integer number (9161838).

Almost surely, 2^98163791 is an apocalyptic number.

98163791 is a deficient number, since it is larger than the sum of its proper divisors (11778265).

98163791 is a wasteful number, since it uses less digits than its factorization.

98163791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15382 (or 15371 counting only the distinct ones).

The product of its digits is 81648, while the sum is 44.

The square root of 98163791 is about 9907.7641776538. The cubic root of 98163791 is about 461.3003392938.

The spelling of 98163791 in words is "ninety-eight million, one hundred sixty-three thousand, seven hundred ninety-one".