85494615 has 16 divisors (see below), whose sum is σ = 144838368. Its totient is φ = 42914816.

The previous prime is 85494601. The next prime is 85494637. The reversal of 85494615 is 51649458.

It is a cyclic number.

It is not a de Polignac number, because 85494615 - 2⁸ = 85494359 is a prime.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 167382 + ... + 167891.

It is an arithmetic number, because the mean of its divisors is an integer number (9052398).

Almost surely, 2^85494615 is an apocalyptic number.

85494615 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

85494615 is a deficient number, since it is larger than the sum of its proper divisors (59343753).

85494615 is a wasteful number, since it uses less digits than its factorization.

85494615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335298.

The product of its digits is 172800, while the sum is 42.

The square root of 85494615 is about 9246.3298124175. The cubic root of 85494615 is about 440.5341567161.

The spelling of 85494615 in words is "eighty-five million, four hundred ninety-four thousand, six hundred fifteen".