87185098 has 96 divisors (see below), whose sum is σ = 183399552. Its totient is φ = 30222720.

The previous prime is 87185093. The next prime is 87185099. The reversal of 87185098 is 89058178.

It is not an unprimeable number, because it can be changed into a prime (87185093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 814761 + ... + 814867.

It is an arithmetic number, because the mean of its divisors is an integer number (1910412).

Almost surely, 2^87185098 is an apocalyptic number.

87185098 is an abundant number, since it is smaller than the sum of its proper divisors (96214454).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87185098 is a wasteful number, since it uses less digits than its factorization.

87185098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188 (or 177 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 46.

The square root of 87185098 is about 9337.2960754171. The cubic root of 87185098 is about 443.4187840387.

Subtracting 87185098 from its reverse (89058178), we obtain a triangular number (1873080 = T₁₉₃₅).

The spelling of 87185098 in words is "eighty-seven million, one hundred eighty-five thousand, ninety-eight".