89181193347 has 40 divisors (see below), whose sum is σ = 140688624384. Its totient is φ = 56183898672.

The previous prime is 89181193313. The next prime is 89181193357. The reversal of 89181193347 is 74339118198.

It is a happy number.

It is not a de Polignac number, because 89181193347 - 2²³ = 89172804739 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 89181193293 and 89181193302.

It is not an unprimeable number, because it can be changed into a prime (89181193307) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 133743 + ... + 443000.

Almost surely, 2^89181193347 is an apocalyptic number.

89181193347 is a deficient number, since it is larger than the sum of its proper divisors (51507431037).

89181193347 is a wasteful number, since it uses less digits than its factorization.

89181193347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576861 (or 576852 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 54.

The spelling of 89181193347 in words is "eighty-nine billion, one hundred eighty-one million, one hundred ninety-three thousand, three hundred forty-seven".