85223716 has 6 divisors (see below), whose sum is σ = 149141510. Its totient is φ = 42611856.

The previous prime is 85223701. The next prime is 85223729. The reversal of 85223716 is 61732258.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 82882816 + 2340900 = 9104^2 + 1530^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10652961 + ... + 10652968.

Almost surely, 2^85223716 is an apocalyptic number.

It is an amenable number.

85223716 is a deficient number, since it is larger than the sum of its proper divisors (63917794).

85223716 is a wasteful number, since it uses less digits than its factorization.

85223716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21305933 (or 21305931 counting only the distinct ones).

The product of its digits is 20160, while the sum is 34.

The square root of 85223716 is about 9231.6691881804. The cubic root of 85223716 is about 440.0683709181.

The spelling of 85223716 in words is "eighty-five million, two hundred twenty-three thousand, seven hundred sixteen".