85098988 has 24 divisors (see below), whose sum is σ = 167354208. Its totient is φ = 37568256.

The previous prime is 85098983. The next prime is 85099009. The reversal of 85098988 is 88989058.

It is not an unprimeable number, because it can be changed into a prime (85098983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34381 + ... + 36772.

It is an arithmetic number, because the mean of its divisors is an integer number (6973092).

Almost surely, 2^85098988 is an apocalyptic number.

It is an amenable number.

85098988 is a deficient number, since it is larger than the sum of its proper divisors (82255220).

85098988 is a wasteful number, since it uses less digits than its factorization.

85098988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71193 (or 71191 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 55.

The square root of 85098988 is about 9224.9112732860. The cubic root of 85098988 is about 439.8535807579.

The spelling of 85098988 in words is "eighty-five million, ninety-eight thousand, nine hundred eighty-eight".