98665013 has 4 divisors (see below), whose sum is σ = 98923008. Its totient is φ = 98407020.

The previous prime is 98665003. The next prime is 98665019. The reversal of 98665013 is 31056689.

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 98665013 - 2⁶ = 98664949 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 (98665019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128423 + ... + 129188.

It is an arithmetic number, because the mean of its divisors is an integer number (24730752).

Almost surely, 2^98665013 is an apocalyptic number.

It is an amenable number.

98665013 is a deficient number, since it is larger than the sum of its proper divisors (257995).

98665013 is a wasteful number, since it uses less digits than its factorization.

98665013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257994.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 98665013 is about 9933.0263766890. The cubic root of 98665013 is about 462.0841363356.

The spelling of 98665013 in words is "ninety-eight million, six hundred sixty-five thousand, thirteen".