98888865 has 16 divisors (see below), whose sum is σ = 159703488. Its totient is φ = 52246976.

The previous prime is 98888861. The next prime is 98888921. The reversal of 98888865 is 56888889.

It is a cyclic number.

It is not a de Polignac number, because 98888865 - 2² = 98888861 is a prime.

It is a Curzon number.

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 98888799 and 98888808.

It is not an unprimeable number, because it can be changed into a prime (98888861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29202 + ... + 32411.

It is an arithmetic number, because the mean of its divisors is an integer number (9981468).

Almost surely, 2^98888865 is an apocalyptic number.

It is an amenable number.

98888865 is a deficient number, since it is larger than the sum of its proper divisors (60814623).

98888865 is a wasteful number, since it uses less digits than its factorization.

98888865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61728.

The product of its digits is 8847360, while the sum is 60.

The square root of 98888865 is about 9944.2880589814. The cubic root of 98888865 is about 462.4333324895.

The spelling of 98888865 in words is "ninety-eight million, eight hundred eighty-eight thousand, eight hundred sixty-five".