98257855 has 4 divisors (see below), whose sum is σ = 117909432. Its totient is φ = 78606280.

The previous prime is 98257811. The next prime is 98257889. The reversal of 98257855 is 55875289.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55875289 = 3923 ⋅14243.

It is not a de Polignac number, because 98257855 - 2¹⁷ = 98126783 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 98257799 and 98257808.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9825781 + ... + 9825790.

It is an arithmetic number, because the mean of its divisors is an integer number (29477358).

Almost surely, 2^98257855 is an apocalyptic number.

98257855 is a deficient number, since it is larger than the sum of its proper divisors (19651577).

98257855 is a wasteful number, since it uses less digits than its factorization.

98257855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19651576.

The product of its digits is 1008000, while the sum is 49.

The square root of 98257855 is about 9912.5100252156. The cubic root of 98257855 is about 461.4476369964.

The spelling of 98257855 in words is "ninety-eight million, two hundred fifty-seven thousand, eight hundred fifty-five".