98801855 has 4 divisors (see below), whose sum is σ = 118562232. Its totient is φ = 79041480.

The previous prime is 98801839. The next prime is 98801861. The reversal of 98801855 is 55810889.

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

It is not a de Polignac number, because 98801855 - 2⁴ = 98801839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9880181 + ... + 9880190.

It is an arithmetic number, because the mean of its divisors is an integer number (29640558).

Almost surely, 2^98801855 is an apocalyptic number.

98801855 is a deficient number, since it is larger than the sum of its proper divisors (19760377).

98801855 is a wasteful number, since it uses less digits than its factorization.

98801855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19760376.

The product of its (nonzero) digits is 115200, while the sum is 44.

The square root of 98801855 is about 9939.9122229525. The cubic root of 98801855 is about 462.2976645993.

The spelling of 98801855 in words is "ninety-eight million, eight hundred one thousand, eight hundred fifty-five".