89656561736 has 16 divisors (see below), whose sum is σ = 192121203840. Its totient is φ = 38424240720.

The previous prime is 89656561721. The next prime is 89656561739. The reversal of 89656561736 is 63716565698.

It is not an unprimeable number, because it can be changed into a prime (89656561739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 800504960 + ... + 800505071.

It is an arithmetic number, because the mean of its divisors is an integer number (12007575240).

Almost surely, 2^89656561736 is an apocalyptic number.

It is an amenable number.

89656561736 is an abundant number, since it is smaller than the sum of its proper divisors (102464642104).

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

89656561736 is a wasteful number, since it uses less digits than its factorization.

89656561736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1601010044 (or 1601010040 counting only the distinct ones).

The product of its digits is 48988800, while the sum is 62.

The spelling of 89656561736 in words is "eighty-nine billion, six hundred fifty-six million, five hundred sixty-one thousand, seven hundred thirty-six".