98173087 has 4 divisors (see below), whose sum is σ = 98721720. Its totient is φ = 97624456.

The previous prime is 98173081. The next prime is 98173093. The reversal of 98173087 is 78037189.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (98173081) and next prime (98173093).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98173087 is a prime.

It is a super-2 number, since 2×98173087² = 19275910022219138, 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 (98173081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 274048 + ... + 274405.

It is an arithmetic number, because the mean of its divisors is an integer number (24680430).

Almost surely, 2^98173087 is an apocalyptic number.

98173087 is a deficient number, since it is larger than the sum of its proper divisors (548633).

98173087 is a wasteful number, since it uses less digits than its factorization.

98173087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548632.

The product of its (nonzero) digits is 84672, while the sum is 43.

The square root of 98173087 is about 9908.2332935796. The cubic root of 98173087 is about 461.3149003744.

The spelling of 98173087 in words is "ninety-eight million, one hundred seventy-three thousand, eighty-seven".