89660406698 has 8 divisors (see below), whose sum is σ = 139128217380. Its totient is φ = 43284334240.

The previous prime is 89660406653. The next prime is 89660406757.

89660406698 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 83893067449 + 5767339249 = 289643^2 + 75943^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 89660406698.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 772934483 + ... + 772934598.

Almost surely, 2^89660406698 is an apocalyptic number.

89660406698 is a deficient number, since it is larger than the sum of its proper divisors (49467810682).

89660406698 is a wasteful number, since it uses less digits than its factorization.

89660406698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1545869112.

The product of its (nonzero) digits is 26873856, while the sum is 62.

The spelling of 89660406698 in words is "eighty-nine billion, six hundred sixty million, four hundred six thousand, six hundred ninety-eight".