89287553493 has 24 divisors (see below), whose sum is σ = 136872911448. Its totient is φ = 55894136832.

The previous prime is 89287553473. The next prime is 89287553501. The reversal of 89287553493 is 39435578298.

89287553493 is a `hidden beast` number, since 8 + 9 + 2 + 8 + 7 + 5 + 534 + 93 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 25812278244 + 63475275249 = 160662^2 + 251943^2 .

It is not a de Polignac number, because 89287553493 - 2⁸ = 89287553237 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 89287553493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89287553473) 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, 607630 + ... + 740127.

It is an arithmetic number, because the mean of its divisors is an integer number (5703037977).

Almost surely, 2^89287553493 is an apocalyptic number.

It is an amenable number.

89287553493 is a deficient number, since it is larger than the sum of its proper divisors (47585357955).

89287553493 is a wasteful number, since it uses less digits than its factorization.

89287553493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1348213 (or 1348210 counting only the distinct ones).

The product of its digits is 65318400, while the sum is 63.

The spelling of 89287553493 in words is "eighty-nine billion, two hundred eighty-seven million, five hundred fifty-three thousand, four hundred ninety-three".