85694037 has 16 divisors (see below), whose sum is σ = 134234688. Its totient is φ = 47940480.

The previous prime is 85694029. The next prime is 85694039. The reversal of 85694037 is 73049658.

It is a happy number.

It is not a de Polignac number, because 85694037 - 2³ = 85694029 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85694037.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85694039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99448 + ... + 100305.

It is an arithmetic number, because the mean of its divisors is an integer number (8389668).

Almost surely, 2^85694037 is an apocalyptic number.

It is an amenable number.

85694037 is a deficient number, since it is larger than the sum of its proper divisors (48540651).

85694037 is a wasteful number, since it uses less digits than its factorization.

85694037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199780.

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 85694037 is about 9257.1073775775. The cubic root of 85694037 is about 440.8764160264.

The spelling of 85694037 in words is "eighty-five million, six hundred ninety-four thousand, thirty-seven".