89689277391 has 32 divisors (see below), whose sum is σ = 140942592000. Its totient is φ = 49665342720.

The previous prime is 89689277341. The next prime is 89689277413. The reversal of 89689277391 is 19377298698.

It is not a de Polignac number, because 89689277391 - 2¹⁰ = 89689276367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89689277341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 221271 + ... + 477848.

It is an arithmetic number, because the mean of its divisors is an integer number (4404456000).

Almost surely, 2^89689277391 is an apocalyptic number.

89689277391 is a deficient number, since it is larger than the sum of its proper divisors (51253314609).

89689277391 is a wasteful number, since it uses less digits than its factorization.

89689277391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 699319.

The product of its digits is 82301184, while the sum is 69.

The spelling of 89689277391 in words is "eighty-nine billion, six hundred eighty-nine million, two hundred seventy-seven thousand, three hundred ninety-one".