89761435073 has 4 divisors (see below), whose sum is σ = 89922587220. Its totient is φ = 89600282928.

The previous prime is 89761435069. The next prime is 89761435087. The reversal of 89761435073 is 37053416798.

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 42443004289 + 47318430784 = 206017^2 + 217528^2 .

It is a cyclic number.

It is not a de Polignac number, because 89761435073 - 2² = 89761435069 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89761435003) 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, 80575238 + ... + 80576351.

It is an arithmetic number, because the mean of its divisors is an integer number (22480646805).

Almost surely, 2^89761435073 is an apocalyptic number.

It is an amenable number.

89761435073 is a deficient number, since it is larger than the sum of its proper divisors (161152147).

89761435073 is a wasteful number, since it uses less digits than its factorization.

89761435073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161152146.

The product of its (nonzero) digits is 3810240, while the sum is 53.

The spelling of 89761435073 in words is "eighty-nine billion, seven hundred sixty-one million, four hundred thirty-five thousand, seventy-three".