89512647967 has 4 divisors (see below), whose sum is σ = 89531613216. Its totient is φ = 89493682720.

The previous prime is 89512647929. The next prime is 89512647979. The reversal of 89512647967 is 76974621598.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 89512647967 - 2¹¹ = 89512645919 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 89512647899 and 89512647908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89512647907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9475543 + ... + 9484984.

It is an arithmetic number, because the mean of its divisors is an integer number (22382903304).

Almost surely, 2^89512647967 is an apocalyptic number.

89512647967 is a deficient number, since it is larger than the sum of its proper divisors (18965249).

89512647967 is a wasteful number, since it uses less digits than its factorization.

89512647967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18965248.

The product of its digits is 45722880, while the sum is 64.

The spelling of 89512647967 in words is "eighty-nine billion, five hundred twelve million, six hundred forty-seven thousand, nine hundred sixty-seven".