89195832891 has 12 divisors (see below), whose sum is σ = 140551009560. Its totient is φ = 54058080480.

The previous prime is 89195832871. The next prime is 89195832941. The reversal of 89195832891 is 19823859198.

It is not a de Polignac number, because 89195832891 - 2⁶ = 89195832827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (89195832851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 450483906 + ... + 450484103.

It is an arithmetic number, because the mean of its divisors is an integer number (11712584130).

Almost surely, 2^89195832891 is an apocalyptic number.

89195832891 is a deficient number, since it is larger than the sum of its proper divisors (51355176669).

89195832891 is a wasteful number, since it uses less digits than its factorization.

89195832891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 900968026 (or 900968023 counting only the distinct ones).

The product of its digits is 11197440, while the sum is 63.

The spelling of 89195832891 in words is "eighty-nine billion, one hundred ninety-five million, eight hundred thirty-two thousand, eight hundred ninety-one".