89564715019 has 8 divisors (see below), whose sum is σ = 96478352432. Its totient is φ = 82654512480.

The previous prime is 89564715013. The next prime is 89564715029. The reversal of 89564715019 is 91051746598.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 89564715019 - 2²³ = 89556326411 is a prime.

It is a super-2 number, since 2×89564715019² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89564715013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 804429 + ... + 908974.

It is an arithmetic number, because the mean of its divisors is an integer number (12059794054).

Almost surely, 2^89564715019 is an apocalyptic number.

89564715019 is a deficient number, since it is larger than the sum of its proper divisors (6913637413).

89564715019 is a wasteful number, since it uses less digits than its factorization.

89564715019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1717437.

The product of its (nonzero) digits is 2721600, while the sum is 55.

The spelling of 89564715019 in words is "eighty-nine billion, five hundred sixty-four million, seven hundred fifteen thousand, nineteen".