89216847 has 12 divisors (see below), whose sum is σ = 133312920. Its totient is φ = 57426768.

The previous prime is 89216843. The next prime is 89216863. The reversal of 89216847 is 74861298.

It is not a de Polignac number, because 89216847 - 2² = 89216843 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89216843) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 170653 + ... + 171174.

It is an arithmetic number, because the mean of its divisors is an integer number (11109410).

Almost surely, 2^89216847 is an apocalyptic number.

89216847 is a gapful number since it is divisible by the number (87) formed by its first and last digit.

89216847 is a deficient number, since it is larger than the sum of its proper divisors (44096073).

89216847 is a wasteful number, since it uses less digits than its factorization.

89216847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341862 (or 341859 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 89216847 is about 9445.4670080415. The cubic root of 89216847 is about 446.8368246653.

The spelling of 89216847 in words is "eighty-nine million, two hundred sixteen thousand, eight hundred forty-seven".