89664970398842 has 32 divisors (see below), whose sum is σ = 137038365233280. Its totient is φ = 43989143647680.

The previous prime is 89664970398767. The next prime is 89664970398889. The reversal of 89664970398842 is 24889307946698.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 822280748 + ... + 822389784.

It is an arithmetic number, because the mean of its divisors is an integer number (4282448913540).

Almost surely, 2^{89664970398842} is an apocalyptic number.

89664970398842 is a deficient number, since it is larger than the sum of its proper divisors (47373394834438).

89664970398842 is a wasteful number, since it uses less digits than its factorization.

89664970398842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125606.

The product of its (nonzero) digits is 9029615616, while the sum is 83.

The spelling of 89664970398842 in words is "eighty-nine trillion, six hundred sixty-four billion, nine hundred seventy million, three hundred ninety-eight thousand, eight hundred forty-two".