85916019 has 8 divisors (see below), whose sum is σ = 130919680. Its totient is φ = 49094856.

The previous prime is 85915993. The next prime is 85916023. The reversal of 85916019 is 91061958.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 85916019 - 2⁵ = 85915987 is a prime.

It is a super-2 number, since 2×85916019² = 14763124641616722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85916059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2045599 + ... + 2045640.

It is an arithmetic number, because the mean of its divisors is an integer number (16364960).

Almost surely, 2^85916019 is an apocalyptic number.

85916019 is a deficient number, since it is larger than the sum of its proper divisors (45003661).

85916019 is a wasteful number, since it uses less digits than its factorization.

85916019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4091249.

The product of its (nonzero) digits is 19440, while the sum is 39.

The square root of 85916019 is about 9269.0894374798. The cubic root of 85916019 is about 441.2567701669.

The spelling of 85916019 in words is "eighty-five million, nine hundred sixteen thousand, nineteen".