89730662673646 has 4 divisors (see below), whose sum is σ = 134595994010472. Its totient is φ = 44865331336822.

The previous prime is 89730662673637. The next prime is 89730662673661. The reversal of 89730662673646 is 64637626603798.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×89730662673646² (a number of 29 digits) contains 22 as substring.

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, 22432665668410 + ... + 22432665668413.

It is an arithmetic number, because the mean of its divisors is an integer number (33648998502618).

Almost surely, 2^{89730662673646} is an apocalyptic number.

89730662673646 is a deficient number, since it is larger than the sum of its proper divisors (44865331336826).

89730662673646 is a wasteful number, since it uses less digits than its factorization.

89730662673646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44865331336825.

The product of its (nonzero) digits is 1975228416, while the sum is 73.

The spelling of 89730662673646 in words is "eighty-nine trillion, seven hundred thirty billion, six hundred sixty-two million, six hundred seventy-three thousand, six hundred forty-six".