98666797 has 4 divisors (see below), whose sum is σ = 98965216. Its totient is φ = 98368380.

The previous prime is 98666747. The next prime is 98666833. The reversal of 98666797 is 79766689.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 98666797 - 2¹¹ = 98664749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98666747) 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, 148713 + ... + 149374.

It is an arithmetic number, because the mean of its divisors is an integer number (24741304).

Almost surely, 2^98666797 is an apocalyptic number.

It is an amenable number.

98666797 is a deficient number, since it is larger than the sum of its proper divisors (298419).

98666797 is a wasteful number, since it uses less digits than its factorization.

98666797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298418.

The product of its digits is 6858432, while the sum is 58.

The square root of 98666797 is about 9933.1161777158. The cubic root of 98666797 is about 462.0869213590.

The spelling of 98666797 in words is "ninety-eight million, six hundred sixty-six thousand, seven hundred ninety-seven".