85478598 has 16 divisors (see below), whose sum is σ = 189952560. Its totient is φ = 28492848.

The previous prime is 85478531. The next prime is 85478609. The reversal of 85478598 is 89587458.

85478598 is a `hidden beast` number, since 8 + 5 + 47 + 8 + 598 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 1582937 = 85478598 / (8 + 5 + 4 + 7 + 8 + 5 + 9 + 8).

It is a congruent number.

It is an unprimeable number.

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, 791415 + ... + 791522.

It is an arithmetic number, because the mean of its divisors is an integer number (11872035).

Almost surely, 2^85478598 is an apocalyptic number.

85478598 is an abundant number, since it is smaller than the sum of its proper divisors (104473962).

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

85478598 is a wasteful number, since it uses less digits than its factorization.

85478598 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1582948 (or 1582942 counting only the distinct ones).

The product of its digits is 3225600, while the sum is 54.

The square root of 85478598 is about 9245.4636444042. The cubic root of 85478598 is about 440.5066443546.

The spelling of 85478598 in words is "eighty-five million, four hundred seventy-eight thousand, five hundred ninety-eight".