89657726041 has 27 divisors (see below), whose sum is σ = 100452991167. Its totient is φ = 79983474480.

The previous prime is 89657726033. The next prime is 89657726051. The reversal of 89657726041 is 14062775698.

The square root of 89657726041 is 299429.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 13262977225 + 76394748816 = 115165^2 + 276396^2 .

It is not a de Polignac number, because 89657726041 - 2³ = 89657726033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89657726021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 120669516 + ... + 120670258.

Almost surely, 2^89657726041 is an apocalyptic number.

89657726041 is the 299429-th square number.

89657726041 is the 149715-th centered octagonal number.

It is an amenable number.

89657726041 is a deficient number, since it is larger than the sum of its proper divisors (10795265126).

89657726041 is an frugal number, since it uses more digits than its factorization.

89657726041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1574 (or 787 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 55.

The spelling of 89657726041 in words is "eighty-nine billion, six hundred fifty-seven million, seven hundred twenty-six thousand, forty-one".