89856000001 has 4 divisors (see below), whose sum is σ = 89874132052. Its totient is φ = 89837867952.

The previous prime is 89855999999. The next prime is 89856000079. The reversal of 89856000001 is 10000065898.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10000065898 = 2 ⋅5000032949.

It can be written as a sum of positive squares in 2 ways, for example, as 47182356225 + 42673643776 = 217215^2 + 206576^2 .

It is a cyclic number.

It is not a de Polignac number, because 89856000001 - 2¹ = 89855999999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89856003001) 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, 9058590 + ... + 9068503.

It is an arithmetic number, because the mean of its divisors is an integer number (22468533013).

Almost surely, 2^89856000001 is an apocalyptic number.

It is an amenable number.

89856000001 is a deficient number, since it is larger than the sum of its proper divisors (18132051).

89856000001 is a wasteful number, since it uses less digits than its factorization.

89856000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18132050.

The product of its (nonzero) digits is 17280, while the sum is 37.

Adding to 89856000001 its reverse (10000065898), we get a palindrome (99856065899).

The spelling of 89856000001 in words is "eighty-nine billion, eight hundred fifty-six million, one", and thus it is an aban number.