98709999 has 8 divisors (see below), whose sum is σ = 131710080. Its totient is φ = 65758296.

The previous prime is 98709971. The next prime is 98710021. The reversal of 98709999 is 99990789.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 98709999 - 2¹⁶ = 98644463 is a prime.

98709999 is a modest number, since divided by 9999 gives 9870 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98709929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7029 + ... + 15710.

It is an arithmetic number, because the mean of its divisors is an integer number (16463760).

Almost surely, 2^98709999 is an apocalyptic number.

98709999 is a deficient number, since it is larger than the sum of its proper divisors (33000081).

98709999 is a wasteful number, since it uses less digits than its factorization.

98709999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24189.

The product of its (nonzero) digits is 3306744, while the sum is 60.

The square root of 98709999 is about 9935.2905845778. The cubic root of 98709999 is about 462.1543542639.

The spelling of 98709999 in words is "ninety-eight million, seven hundred nine thousand, nine hundred ninety-nine".