89231369646 has 16 divisors (see below), whose sum is σ = 178498975824. Its totient is φ = 29737750464.

The previous prime is 89231369621. The next prime is 89231369659. The reversal of 89231369646 is 64696313298.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1477791 + ... + 1536986.

It is an arithmetic number, because the mean of its divisors is an integer number (11156185989).

Almost surely, 2^89231369646 is an apocalyptic number.

89231369646 is an abundant number, since it is smaller than the sum of its proper divisors (89267606178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89231369646 is a wasteful number, since it uses less digits than its factorization.

89231369646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3019715.

The product of its digits is 10077696, while the sum is 57.

The spelling of 89231369646 in words is "eighty-nine billion, two hundred thirty-one million, three hundred sixty-nine thousand, six hundred forty-six".