85432658 has 16 divisors (see below), whose sum is σ = 131392800. Its totient is φ = 41639136.

The previous prime is 85432609. The next prime is 85432663. The reversal of 85432658 is 85623458.

It is an unprimeable number.

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, 80918 + ... + 81966.

It is an arithmetic number, because the mean of its divisors is an integer number (8212050).

Almost surely, 2^85432658 is an apocalyptic number.

85432658 is a deficient number, since it is larger than the sum of its proper divisors (45960142).

85432658 is a wasteful number, since it uses less digits than its factorization.

85432658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2041.

The product of its digits is 230400, while the sum is 41.

The square root of 85432658 is about 9242.9788488344. The cubic root of 85432658 is about 440.4277142590.

The spelling of 85432658 in words is "eighty-five million, four hundred thirty-two thousand, six hundred fifty-eight".