89886912361 has 4 divisors (see below), whose sum is σ = 95174377812. Its totient is φ = 84599446912.

The previous prime is 89886912347. The next prime is 89886912377. The reversal of 89886912361 is 16321968898.

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 79453515625 + 10433396736 = 281875^2 + 102144^2 .

It is a cyclic number.

It is not a de Polignac number, because 89886912361 - 2¹¹ = 89886910313 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 89886912361.

It is not an unprimeable number, because it can be changed into a prime (89886912341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2643732700 + ... + 2643732733.

It is an arithmetic number, because the mean of its divisors is an integer number (23793594453).

Almost surely, 2^89886912361 is an apocalyptic number.

It is an amenable number.

89886912361 is a deficient number, since it is larger than the sum of its proper divisors (5287465451).

89886912361 is a wasteful number, since it uses less digits than its factorization.

89886912361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5287465450.

The product of its digits is 8957952, while the sum is 61.

The spelling of 89886912361 in words is "eighty-nine billion, eight hundred eighty-six million, nine hundred twelve thousand, three hundred sixty-one".