89656622665698 has 16 divisors (see below), whose sum is σ = 195614449452576. Its totient is φ = 27168673535040.

The previous prime is 89656622665697. The next prime is 89656622665699.

89656622665698 is nontrivially palindromic in base 10.

89656622665698 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (89656622665697) and next prime (89656622665699).

It is a self number, because there is not a number n which added to its sum of digits gives 89656622665698.

It is not an unprimeable number, because it can be changed into a prime (89656622665693) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 679216838311 + ... + 679216838442.

It is an arithmetic number, because the mean of its divisors is an integer number (12225903090786).

Almost surely, 2^{89656622665698} is an apocalyptic number.

89656622665698 is an abundant number, since it is smaller than the sum of its proper divisors (105957826786878).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89656622665698 is a wasteful number, since it uses less digits than its factorization.

89656622665698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1358433676769.

The product of its digits is 24186470400, while the sum is 84.

The spelling of 89656622665698 in words is "eighty-nine trillion, six hundred fifty-six billion, six hundred twenty-two million, six hundred sixty-five thousand, six hundred ninety-eight".