85069615 has 16 divisors (see below), whose sum is σ = 111818880. Its totient is φ = 61841920.

The previous prime is 85069591. The next prime is 85069619. The reversal of 85069615 is 51696058.

It is a de Polignac number, because none of the positive numbers 2^k-85069615 is a prime.

85069615 is a modest number, since divided by 69615 gives 85 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85069619) 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 15 ways as a sum of consecutive naturals, for example, 14791 + ... + 19720.

It is an arithmetic number, because the mean of its divisors is an integer number (6988680).

Almost surely, 2^85069615 is an apocalyptic number.

85069615 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

85069615 is a deficient number, since it is larger than the sum of its proper divisors (26749265).

85069615 is a wasteful number, since it uses less digits than its factorization.

85069615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34562.

The product of its (nonzero) digits is 64800, while the sum is 40.

The square root of 85069615 is about 9223.3190880507. The cubic root of 85069615 is about 439.8029679116.

The spelling of 85069615 in words is "eighty-five million, sixty-nine thousand, six hundred fifteen".