85141719 has 32 divisors (see below), whose sum is σ = 137168640. Its totient is φ = 51882336.

The previous prime is 85141711. The next prime is 85141781. The reversal of 85141719 is 91714158.

Together with 52026920 it forms a betrothed pair.

It is not a de Polignac number, because 85141719 - 2³ = 85141711 is a prime.

It is a super-2 number, since 2×85141719² = 14498224628549922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85141711) 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 31 ways as a sum of consecutive naturals, for example, 36424 + ... + 38690.

It is an arithmetic number, because the mean of its divisors is an integer number (4286520).

Almost surely, 2^85141719 is an apocalyptic number.

85141719 is a deficient number, since it is larger than the sum of its proper divisors (52026921).

85141719 is a wasteful number, since it uses less digits than its factorization.

85141719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2396 (or 2390 counting only the distinct ones).

The product of its digits is 10080, while the sum is 36.

The square root of 85141719 is about 9227.2270482524. The cubic root of 85141719 is about 439.9271900873.

The spelling of 85141719 in words is "eighty-five million, one hundred forty-one thousand, seven hundred nineteen".