89853951447 has 24 divisors (see below), whose sum is σ = 142746711744. Its totient is φ = 54118252224.

The previous prime is 89853951437. The next prime is 89853951547. The reversal of 89853951447 is 74415935898.

89853951447 is a `hidden beast` number, since 8 + 9 + 8 + 539 + 51 + 4 + 47 = 666.

It is not a de Polignac number, because 89853951447 - 2¹⁰ = 89853950423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89853951427) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8164528 + ... + 8175525.

It is an arithmetic number, because the mean of its divisors is an integer number (5947779656).

Almost surely, 2^89853951447 is an apocalyptic number.

89853951447 is a deficient number, since it is larger than the sum of its proper divisors (52892760297).

89853951447 is a wasteful number, since it uses less digits than its factorization.

89853951447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16340119 (or 16340116 counting only the distinct ones).

The product of its digits is 43545600, while the sum is 63.

The spelling of 89853951447 in words is "eighty-nine billion, eight hundred fifty-three million, nine hundred fifty-one thousand, four hundred forty-seven".