85868997 has 8 divisors (see below), whose sum is σ = 115328256. Its totient is φ = 56827872.

The previous prime is 85868969. The next prime is 85869011. The reversal of 85868997 is 79986858.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 85868997 - 2⁶ = 85868933 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85868997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85868917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104053 + ... + 104874.

It is an arithmetic number, because the mean of its divisors is an integer number (14416032).

Almost surely, 2^85868997 is an apocalyptic number.

It is an amenable number.

85868997 is a deficient number, since it is larger than the sum of its proper divisors (29459259).

85868997 is a wasteful number, since it uses less digits than its factorization.

85868997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209067.

The product of its digits is 8709120, while the sum is 60.

The square root of 85868997 is about 9266.5525952212. The cubic root of 85868997 is about 441.1762552543.

The spelling of 85868997 in words is "eighty-five million, eight hundred sixty-eight thousand, nine hundred ninety-seven".