85918601 has 4 divisors (see below), whose sum is σ = 87916752. Its totient is φ = 83920452.

The previous prime is 85918597. The next prime is 85918607. The reversal of 85918601 is 10681958.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 85918601 - 2² = 85918597 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (85918607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 999011 + ... + 999096.

It is an arithmetic number, because the mean of its divisors is an integer number (21979188).

Almost surely, 2^85918601 is an apocalyptic number.

It is an amenable number.

85918601 is a deficient number, since it is larger than the sum of its proper divisors (1998151).

85918601 is a wasteful number, since it uses less digits than its factorization.

85918601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1998150.

The product of its (nonzero) digits is 17280, while the sum is 38.

The square root of 85918601 is about 9269.2287165654. The cubic root of 85918601 is about 441.2611904274.

The spelling of 85918601 in words is "eighty-five million, nine hundred eighteen thousand, six hundred one".