95721889 has 4 divisors (see below), whose sum is σ = 95741460. Its totient is φ = 95702320.

The previous prime is 95721887. The next prime is 95721911. The reversal of 95721889 is 98812759.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 98812759 = 71 ⋅1391729.

It can be written as a sum of positive squares in 2 ways, for example, as 43665664 + 52056225 = 6608^2 + 7215^2 .

It is a cyclic number.

It is not a de Polignac number, because 95721889 - 2¹ = 95721887 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (95721887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4659 + ... + 14599.

It is an arithmetic number, because the mean of its divisors is an integer number (23935365).

Almost surely, 2^95721889 is an apocalyptic number.

It is an amenable number.

95721889 is a deficient number, since it is larger than the sum of its proper divisors (19571).

95721889 is an equidigital number, since it uses as much as digits as its factorization.

95721889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19570.

The product of its digits is 362880, while the sum is 49.

The square root of 95721889 is about 9783.7563849475. The cubic root of 95721889 is about 457.4431059870.

The spelling of 95721889 in words is "ninety-five million, seven hundred twenty-one thousand, eight hundred eighty-nine".