98887555 has 16 divisors (see below), whose sum is σ = 135311904. Its totient is φ = 68728320.

The previous prime is 98887541. The next prime is 98887561. The reversal of 98887555 is 55578889.

It is a happy number.

It is not a de Polignac number, because 98887555 - 2⁹ = 98887043 is a prime.

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 98887496 and 98887505.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43641 + ... + 45850.

It is an arithmetic number, because the mean of its divisors is an integer number (8456994).

Almost surely, 2^98887555 is an apocalyptic number.

98887555 is a deficient number, since it is larger than the sum of its proper divisors (36424349).

98887555 is a wasteful number, since it uses less digits than its factorization.

98887555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89526.

The product of its digits is 4032000, while the sum is 55.

The square root of 98887555 is about 9944.2221918057. Note that the first 3 decimals coincide. The cubic root of 98887555 is about 462.4312904991.

The spelling of 98887555 in words is "ninety-eight million, eight hundred eighty-seven thousand, five hundred fifty-five".