89920985734 has 16 divisors (see below), whose sum is σ = 142935801120. Its totient is φ = 42351346240.

The previous prime is 89920985731. The next prime is 89920985753. The reversal of 89920985734 is 43758902998.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89920985731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18904474 + ... + 18909229.

It is an arithmetic number, because the mean of its divisors is an integer number (8933487570).

Almost surely, 2^89920985734 is an apocalyptic number.

89920985734 is a deficient number, since it is larger than the sum of its proper divisors (53014815386).

89920985734 is a wasteful number, since it uses less digits than its factorization.

89920985734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37813775.

The product of its (nonzero) digits is 39191040, while the sum is 64.

The spelling of 89920985734 in words is "eighty-nine billion, nine hundred twenty million, nine hundred eighty-five thousand, seven hundred thirty-four".