85153998 has 16 divisors (see below), whose sum is σ = 170502480. Its totient is φ = 28352256.

The previous prime is 85153997. The next prime is 85154011. The reversal of 85153998 is 89935158.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85153997) 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 7 ways as a sum of consecutive naturals, for example, 2065 + ... + 13212.

It is an arithmetic number, because the mean of its divisors is an integer number (10656405).

Almost surely, 2^85153998 is an apocalyptic number.

85153998 is an abundant number, since it is smaller than the sum of its proper divisors (85348482).

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

85153998 is a wasteful number, since it uses less digits than its factorization.

85153998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16211.

The product of its digits is 388800, while the sum is 48.

The square root of 85153998 is about 9227.8923920904. The cubic root of 85153998 is about 439.9483375982.

The spelling of 85153998 in words is "eighty-five million, one hundred fifty-three thousand, nine hundred ninety-eight".