94442528881 has 4 divisors (see below), whose sum is σ = 94450152100. Its totient is φ = 94434905664.

The previous prime is 94442528879. The next prime is 94442528927. The reversal of 94442528881 is 18882524449.

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

It can be written as a sum of positive squares in 2 ways, for example, as 19649030625 + 74793498256 = 140175^2 + 273484^2 .

It is a cyclic number.

It is not a de Polignac number, because 94442528881 - 2¹ = 94442528879 is a prime.

It is a super-2 number, since 2×94442528881² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (94442528821) 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, 3792996 + ... + 3817813.

It is an arithmetic number, because the mean of its divisors is an integer number (23612538025).

Almost surely, 2^94442528881 is an apocalyptic number.

It is an amenable number.

94442528881 is a deficient number, since it is larger than the sum of its proper divisors (7623219).

94442528881 is a wasteful number, since it uses less digits than its factorization.

94442528881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7623218.

The product of its digits is 5898240, while the sum is 55.

The spelling of 94442528881 in words is "ninety-four billion, four hundred forty-two million, five hundred twenty-eight thousand, eight hundred eighty-one".