85896139 has 8 divisors (see below), whose sum is σ = 98223840. Its totient is φ = 73582656.

The previous prime is 85896127. The next prime is 85896163. The reversal of 85896139 is 93169858.

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

It is not a de Polignac number, because 85896139 - 2⁹ = 85895627 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85896092 and 85896101.

It is not an unprimeable number, because it can be changed into a prime (85896179) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18717 + ... + 22849.

It is an arithmetic number, because the mean of its divisors is an integer number (12277980).

Almost surely, 2^85896139 is an apocalyptic number.

85896139 is a deficient number, since it is larger than the sum of its proper divisors (12327701).

85896139 is a wasteful number, since it uses less digits than its factorization.

85896139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7109.

The product of its digits is 466560, while the sum is 49.

The square root of 85896139 is about 9268.0169939421. The cubic root of 85896139 is about 441.2227335911. Note that the first 3 decimals are identical.

The spelling of 85896139 in words is "eighty-five million, eight hundred ninety-six thousand, one hundred thirty-nine".