89451318547 has 8 divisors (see below), whose sum is σ = 90109980800. Its totient is φ = 88794956160.

The previous prime is 89451318499. The next prime is 89451318559. The reversal of 89451318547 is 74581315498.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89451318547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89451318587) 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, 496854 + ... + 652507.

It is an arithmetic number, because the mean of its divisors is an integer number (11263747600).

Almost surely, 2^89451318547 is an apocalyptic number.

89451318547 is a deficient number, since it is larger than the sum of its proper divisors (658662253).

89451318547 is a wasteful number, since it uses less digits than its factorization.

89451318547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1149933.

The product of its digits is 4838400, while the sum is 55.

The spelling of 89451318547 in words is "eighty-nine billion, four hundred fifty-one million, three hundred eighteen thousand, five hundred forty-seven".