89768791249 has 4 divisors (see below), whose sum is σ = 89770097664. Its totient is φ = 89767484836.

The previous prime is 89768791247. The next prime is 89768791267. The reversal of 89768791249 is 94219786798.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 89768791249 - 2¹ = 89768791247 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89768791247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 544057 + ... + 689590.

It is an arithmetic number, because the mean of its divisors is an integer number (22442524416).

Almost surely, 2^89768791249 is an apocalyptic number.

It is an amenable number.

89768791249 is a deficient number, since it is larger than the sum of its proper divisors (1306415).

89768791249 is a wasteful number, since it uses less digits than its factorization.

89768791249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1306414.

The product of its digits is 109734912, while the sum is 70.

The spelling of 89768791249 in words is "eighty-nine billion, seven hundred sixty-eight million, seven hundred ninety-one thousand, two hundred forty-nine".