89769988754878 has 16 divisors (see below), whose sum is σ = 138295031878080. Its totient is φ = 43671657512736.

The previous prime is 89769988754869. The next prime is 89769988754933. The reversal of 89769988754878 is 87845788996798.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 11488200 + ... + 17649892.

It is an arithmetic number, because the mean of its divisors is an integer number (8643439492380).

Almost surely, 2^{89769988754878} is an apocalyptic number.

89769988754878 is a deficient number, since it is larger than the sum of its proper divisors (48525043123202).

89769988754878 is a wasteful number, since it uses less digits than its factorization.

89769988754878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6358611.

The product of its digits is 983224811520, while the sum is 103.

The spelling of 89769988754878 in words is "eighty-nine trillion, seven hundred sixty-nine billion, nine hundred eighty-eight million, seven hundred fifty-four thousand, eight hundred seventy-eight".