85916534 has 12 divisors (see below), whose sum is σ = 141656172. Its totient is φ = 39052860.

The previous prime is 85916533. The next prime is 85916543. The reversal of 85916534 is 43561958.

It is a junction number, because it is equal to n+sod(n) for n = 85916491 and 85916500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85916533) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 177272 + ... + 177755.

It is an arithmetic number, because the mean of its divisors is an integer number (11804681).

Almost surely, 2^85916534 is an apocalyptic number.

85916534 is a deficient number, since it is larger than the sum of its proper divisors (55739638).

85916534 is a wasteful number, since it uses less digits than its factorization.

85916534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355051 (or 355040 counting only the distinct ones).

The product of its digits is 129600, while the sum is 41.

The square root of 85916534 is about 9269.1172179448. The cubic root of 85916534 is about 441.2576518293.

It can be divided in two parts, 85 and 916534, that added together give a palindrome (916619).

The spelling of 85916534 in words is "eighty-five million, nine hundred sixteen thousand, five hundred thirty-four".