85691996 has 24 divisors (see below), whose sum is σ = 161857584. Its totient is φ = 39461760.

The previous prime is 85691911. The next prime is 85692017. The reversal of 85691996 is 69919658.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25511 + ... + 28673.

It is an arithmetic number, because the mean of its divisors is an integer number (6744066).

Almost surely, 2^85691996 is an apocalyptic number.

It is an amenable number.

85691996 is a deficient number, since it is larger than the sum of its proper divisors (76165588).

85691996 is a wasteful number, since it uses less digits than its factorization.

85691996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3701 (or 3699 counting only the distinct ones).

The product of its digits is 1049760, while the sum is 53.

The square root of 85691996 is about 9256.9971373011. The cubic root of 85691996 is about 440.8729158377.

Adding to 85691996 its sum of digits (53), we get a square (85692049 = 9257²).

The spelling of 85691996 in words is "eighty-five million, six hundred ninety-one thousand, nine hundred ninety-six".