89961776133 has 16 divisors (see below), whose sum is σ = 125524947456. Its totient is φ = 57201591920.

The previous prime is 89961776123. The next prime is 89961776167. The reversal of 89961776133 is 33167716998.

It is a cyclic number.

It is not a de Polignac number, because 89961776133 - 2⁴ = 89961776117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89961776123) 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, 1854723 + ... + 1902608.

It is an arithmetic number, because the mean of its divisors is an integer number (7845309216).

Almost surely, 2^89961776133 is an apocalyptic number.

It is an amenable number.

89961776133 is a deficient number, since it is larger than the sum of its proper divisors (35563171323).

89961776133 is a wasteful number, since it uses less digits than its factorization.

89961776133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3757704.

The product of its digits is 10287648, while the sum is 60.

The spelling of 89961776133 in words is "eighty-nine billion, nine hundred sixty-one million, seven hundred seventy-six thousand, one hundred thirty-three".