89858594761 has 4 divisors (see below), whose sum is σ = 96770794372. Its totient is φ = 82946395152.

The previous prime is 89858594731. The next prime is 89858594767. The reversal of 89858594761 is 16749585898.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16749585898 = 2 ⋅8374792949.

It can be written as a sum of positive squares in 2 ways, for example, as 61884025225 + 27974569536 = 248765^2 + 167256^2 .

It is a cyclic number.

It is not a de Polignac number, because 89858594761 - 2²¹ = 89856497609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89858594767) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3456099786 + ... + 3456099811.

It is an arithmetic number, because the mean of its divisors is an integer number (24192698593).

Almost surely, 2^89858594761 is an apocalyptic number.

It is an amenable number.

89858594761 is a deficient number, since it is larger than the sum of its proper divisors (6912199611).

89858594761 is a wasteful number, since it uses less digits than its factorization.

89858594761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6912199610.

The product of its digits is 174182400, while the sum is 70.

The spelling of 89858594761 in words is "eighty-nine billion, eight hundred fifty-eight million, five hundred ninety-four thousand, seven hundred sixty-one".