895924720089 has 135 divisors (see below), whose sum is σ = 1553855553887. Its totient is φ = 497406877632.

The previous prime is 895924720087. The next prime is 895924720111. The reversal of 895924720089 is 980027429598.

It is a happy number.

The square root of 895924720089 is 946533.

It is a perfect power (a square), and thus also a powerful number.

895924720089 is a `hidden beast` number, since 89 + 5 + 9 + 2 + 472 + 0 + 0 + 89 = 666.

It can be written as a sum of positive squares in only one way, i.e., 526270448025 + 369654272064 = 725445^2 + 607992^2 .

It is not a de Polignac number, because 895924720089 - 2¹ = 895924720087 is a prime.

It is a super-2 number, since 2×895924720089² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (895924720087) by changing a digit.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 6539596429 + ... + 6539596565.

Almost surely, 2^895924720089 is an apocalyptic number.

895924720089 is the 946533-rd square number.

895924720089 is the 473267-th centered octagonal number.

It is an amenable number.

895924720089 is a deficient number, since it is larger than the sum of its proper divisors (657930833798).

895924720089 is an frugal number, since it uses more digits than its factorization.

895924720089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402 (or 194 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 63.

The spelling of 895924720089 in words is "eight hundred ninety-five billion, nine hundred twenty-four million, seven hundred twenty thousand, eighty-nine".