98877889 has 16 divisors (see below), whose sum is σ = 110796480. Its totient is φ = 87480000.

The previous prime is 98877887. The next prime is 98877973.

98877889 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 98877889 - 2¹ = 98877887 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 98877889.

It is not an unprimeable number, because it can be changed into a prime (98877887) 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, 67042 + ... + 68500.

It is an arithmetic number, because the mean of its divisors is an integer number (6924780).

Almost surely, 2^98877889 is an apocalyptic number.

It is an amenable number.

98877889 is a deficient number, since it is larger than the sum of its proper divisors (11918591).

98877889 is a wasteful number, since it uses less digits than its factorization.

98877889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1632.

The product of its digits is 16257024, while the sum is 64.

The square root of 98877889 is about 9943.7361690664. The cubic root of 98877889 is about 462.4162228582.

The spelling of 98877889 in words is "ninety-eight million, eight hundred seventy-seven thousand, eight hundred eighty-nine".