8669255136 has 96 divisors (see below), whose sum is σ = 23039741088. Its totient is φ = 2854010880.

The previous prime is 8669255081. The next prime is 8669255143. The reversal of 8669255136 is 6315529668.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×8669255136² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3437556 + ... + 3440076.

It is an arithmetic number, because the mean of its divisors is an integer number (239997303).

Almost surely, 2^8669255136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8669255136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11519870544).

8669255136 is an abundant number, since it is smaller than the sum of its proper divisors (14370485952).

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

8669255136 is a wasteful number, since it uses less digits than its factorization.

8669255136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2964 (or 2956 counting only the distinct ones).

The product of its digits is 2332800, while the sum is 51.

The square root of 8669255136 is about 93108.8348976616. The cubic root of 8669255136 is about 2054.2845259408.

The spelling of 8669255136 in words is "eight billion, six hundred sixty-nine million, two hundred fifty-five thousand, one hundred thirty-six".