98888890 has 8 divisors (see below), whose sum is σ = 178000020. Its totient is φ = 39555552.

The previous prime is 98888861. The next prime is 98888921. The reversal of 98888890 is 9888889.

It can be written as a sum of positive squares in 2 ways, for example, as 98227921 + 660969 = 9911^2 + 813^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4944435 + ... + 4944454.

Almost surely, 2^98888890 is an apocalyptic number.

98888890 is a deficient number, since it is larger than the sum of its proper divisors (79111130).

98888890 is a wasteful number, since it uses less digits than its factorization.

98888890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9888896.

The product of its (nonzero) digits is 2654208, while the sum is 58.

The square root of 98888890 is about 9944.2893159843. The cubic root of 98888890 is about 462.4333714586.

The spelling of 98888890 in words is "ninety-eight million, eight hundred eighty-eight thousand, eight hundred ninety".