89691964699 has 8 divisors (see below), whose sum is σ = 94958335440. Its totient is φ = 84480168096.

The previous prime is 89691964633. The next prime is 89691964721. The reversal of 89691964699 is 99646919698.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89691964699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89691964199) 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 7 ways as a sum of consecutive naturals, for example, 13640152 + ... + 13646725.

It is an arithmetic number, because the mean of its divisors is an integer number (11869791930).

Almost surely, 2^89691964699 is an apocalyptic number.

89691964699 is a deficient number, since it is larger than the sum of its proper divisors (5266370741).

89691964699 is a wasteful number, since it uses less digits than its factorization.

89691964699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27287069.

The product of its digits is 408146688, while the sum is 76.

The spelling of 89691964699 in words is "eighty-nine billion, six hundred ninety-one million, nine hundred sixty-four thousand, six hundred ninety-nine".