89969081359894 has 64 divisors (see below), whose sum is σ = 150643691654400. Its totient is φ = 39953947651200.

The previous prime is 89969081359879. The next prime is 89969081359897. The reversal of 89969081359894 is 49895318096998.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89969081359897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 135864952 + ... + 136525540.

It is an arithmetic number, because the mean of its divisors is an integer number (2353807682100).

Almost surely, 2^{89969081359894} is an apocalyptic number.

89969081359894 is a deficient number, since it is larger than the sum of its proper divisors (60674610294506).

89969081359894 is a wasteful number, since it uses less digits than its factorization.

89969081359894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661309.

The product of its (nonzero) digits is 10883911680, while the sum is 88.

The spelling of 89969081359894 in words is "eighty-nine trillion, nine hundred sixty-nine billion, eighty-one million, three hundred fifty-nine thousand, eight hundred ninety-four".