89664642302 has 4 divisors (see below), whose sum is σ = 134496963456. Its totient is φ = 44832321150.

The previous prime is 89664642239. The next prime is 89664642341. The reversal of 89664642302 is 20324646698.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20324646698 = 2 ⋅10162323349.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22416160574 + ... + 22416160577.

It is an arithmetic number, because the mean of its divisors is an integer number (33624240864).

Almost surely, 2^89664642302 is an apocalyptic number.

89664642302 is a deficient number, since it is larger than the sum of its proper divisors (44832321154).

89664642302 is a wasteful number, since it uses less digits than its factorization.

89664642302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44832321153.

The product of its (nonzero) digits is 2985984, while the sum is 50.

The spelling of 89664642302 in words is "eighty-nine billion, six hundred sixty-four million, six hundred forty-two thousand, three hundred two".