98888888888887 has 4 divisors (see below), whose sum is σ = 104093567251480. Its totient is φ = 93684210526296.

The previous prime is 98888888888861. The next prime is 98888888888939. The reversal of 98888888888887 is 78888888888889.

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

It is a cyclic number.

It is not a de Polignac number, because 98888888888887 - 2¹⁹ = 98888888364599 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98888888882887) 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, 2602339181268 + ... + 2602339181305.

It is an arithmetic number, because the mean of its divisors is an integer number (26023391812870).

Almost surely, 2^{98888888888887} is an apocalyptic number.

98888888888887 is a deficient number, since it is larger than the sum of its proper divisors (5204678362593).

98888888888887 is a wasteful number, since it uses less digits than its factorization.

98888888888887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5204678362592.

The product of its digits is 4329327034368, while the sum is 112.

The spelling of 98888888888887 in words is "ninety-eight trillion, eight hundred eighty-eight billion, eight hundred eighty-eight million, eight hundred eighty-eight thousand, eight hundred eighty-seven".