89102001001 has 16 divisors (see below), whose sum is σ = 97908764688. Its totient is φ = 80584704000.

The previous prime is 89102000987. The next prime is 89102001029. The reversal of 89102001001 is 10010020198.

It can be written as a sum of positive squares in 8 ways, for example, as 3931415401 + 85170585600 = 62701^2 + 291840^2 .

It is a cyclic number.

It is not a de Polignac number, because 89102001001 - 2⁹ = 89102000489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89102001101) 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, 14800 + ... + 422401.

It is an arithmetic number, because the mean of its divisors is an integer number (6119297793).

Almost surely, 2^89102001001 is an apocalyptic number.

It is an amenable number.

89102001001 is a deficient number, since it is larger than the sum of its proper divisors (8806763687).

89102001001 is a wasteful number, since it uses less digits than its factorization.

89102001001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437532.

The product of its (nonzero) digits is 144, while the sum is 22.

Adding to 89102001001 its reverse (10010020198), we get a palindrome (99112021199).

The spelling of 89102001001 in words is "eighty-nine billion, one hundred two million, one thousand, one".