89742946569871 has 8 divisors (see below), whose sum is σ = 102563876981664. Its totient is φ = 76922143526400.

The previous prime is 89742946569863. The next prime is 89742946569917. The reversal of 89742946569871 is 17896564924798.

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 89742946569871 - 2³ = 89742946569863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89742946561871) 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, 30327430 + ... + 33154771.

It is an arithmetic number, because the mean of its divisors is an integer number (12820484622708).

Almost surely, 2^{89742946569871} is an apocalyptic number.

89742946569871 is a deficient number, since it is larger than the sum of its proper divisors (12820930411793).

89742946569871 is a wasteful number, since it uses less digits than its factorization.

89742946569871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63684161.

The product of its digits is 13168189440, while the sum is 85.

The spelling of 89742946569871 in words is "eighty-nine trillion, seven hundred forty-two billion, nine hundred forty-six million, five hundred sixty-nine thousand, eight hundred seventy-one".