85319516 has 6 divisors (see below), whose sum is σ = 149309160. Its totient is φ = 42659756.

The previous prime is 85319513. The next prime is 85319527. The reversal of 85319516 is 61591358.

It is a self number, because there is not a number n which added to its sum of digits gives 85319516.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85319513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10664936 + ... + 10664943.

It is an arithmetic number, because the mean of its divisors is an integer number (24884860).

Almost surely, 2^85319516 is an apocalyptic number.

It is an amenable number.

85319516 is a deficient number, since it is larger than the sum of its proper divisors (63989644).

85319516 is a wasteful number, since it uses less digits than its factorization.

85319516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21329883 (or 21329881 counting only the distinct ones).

The product of its digits is 32400, while the sum is 38.

The square root of 85319516 is about 9236.8563916519. The cubic root of 85319516 is about 440.2332028254.

The spelling of 85319516 in words is "eighty-five million, three hundred nineteen thousand, five hundred sixteen".