89061921713 has 8 divisors (see below), whose sum is σ = 91238333256. Its totient is φ = 86885708800.

The previous prime is 89061921703. The next prime is 89061921719. The reversal of 89061921713 is 31712916098.

It can be written as a sum of positive squares in 4 ways, for example, as 16642806049 + 72419115664 = 129007^2 + 269108^2 .

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 89061921713 - 2²⁶ = 88994812849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89061921719) 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, 1301645 + ... + 1368357.

It is an arithmetic number, because the mean of its divisors is an integer number (11404791657).

Almost surely, 2^89061921713 is an apocalyptic number.

It is an amenable number.

89061921713 is a deficient number, since it is larger than the sum of its proper divisors (2176411543).

89061921713 is a wasteful number, since it uses less digits than its factorization.

89061921713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99315.

The product of its (nonzero) digits is 163296, while the sum is 47.

The spelling of 89061921713 in words is "eighty-nine billion, sixty-one million, nine hundred twenty-one thousand, seven hundred thirteen".