89664710547 has 8 divisors (see below), whose sum is σ = 119556842944. Its totient is φ = 59774525928.

The previous prime is 89664710497. The next prime is 89664710573. The reversal of 89664710547 is 74501746698.

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

It is not a de Polignac number, because 89664710547 - 2²³ = 89656321939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89664710347) 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, 375913 + ... + 566250.

It is an arithmetic number, because the mean of its divisors is an integer number (14944605368).

Almost surely, 2^89664710547 is an apocalyptic number.

89664710547 is a deficient number, since it is larger than the sum of its proper divisors (29892132397).

89664710547 is a wasteful number, since it uses less digits than its factorization.

89664710547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 973889.

The product of its (nonzero) digits is 10160640, while the sum is 57.

The spelling of 89664710547 in words is "eighty-nine billion, six hundred sixty-four million, seven hundred ten thousand, five hundred forty-seven".