89713845 has 128 divisors (see below), whose sum is σ = 189665280. Its totient is φ = 39813120.

The previous prime is 89713831. The next prime is 89713919. The reversal of 89713845 is 54831798.

It is not a de Polignac number, because 89713845 - 2⁹ = 89713333 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 89713845.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 924837 + ... + 924933.

It is an arithmetic number, because the mean of its divisors is an integer number (1481760).

Almost surely, 2^89713845 is an apocalyptic number.

89713845 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

89713845 is an abundant number, since it is smaller than the sum of its proper divisors (99951435).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89713845 is a wasteful number, since it uses less digits than its factorization.

89713845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172 (or 166 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 89713845 is about 9471.7392806179. The cubic root of 89713845 is about 447.6650161793.

The spelling of 89713845 in words is "eighty-nine million, seven hundred thirteen thousand, eight hundred forty-five".