85697616 has 20 divisors (see below), whose sum is σ = 221385632. Its totient is φ = 28565856.

The previous prime is 85697593. The next prime is 85697617. The reversal of 85697616 is 61679658.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 1785367 = 85697616 / (8 + 5 + 6 + 9 + 7 + 6 + 1 + 6).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85697617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 892636 + ... + 892731.

Almost surely, 2^85697616 is an apocalyptic number.

It is an amenable number.

85697616 is an abundant number, since it is smaller than the sum of its proper divisors (135688016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85697616 is a wasteful number, since it uses less digits than its factorization.

85697616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1785378 (or 1785372 counting only the distinct ones).

The product of its digits is 544320, while the sum is 48.

The square root of 85697616 is about 9257.3006864852. The cubic root of 85697616 is about 440.8825536558.

The spelling of 85697616 in words is "eighty-five million, six hundred ninety-seven thousand, six hundred sixteen".