8725577869 has 4 divisors (see below), whose sum is σ = 8725783900. Its totient is φ = 8725371840.

The previous prime is 8725577851. The next prime is 8725577891. The reversal of 8725577869 is 9687755278.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6328202500 + 2397375369 = 79550^2 + 48963^2 .

It is a cyclic number.

It is not a de Polignac number, because 8725577869 - 2¹⁷ = 8725446797 is a prime.

It is a super-2 number, since 2×8725577869² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8725577869.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8725577849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13644 + ... + 132805.

It is an arithmetic number, because the mean of its divisors is an integer number (2181445975).

Almost surely, 2^8725577869 is an apocalyptic number.

It is an amenable number.

8725577869 is a deficient number, since it is larger than the sum of its proper divisors (206031).

8725577869 is a wasteful number, since it uses less digits than its factorization.

8725577869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206030.

The product of its digits is 59270400, while the sum is 64.

The square root of 8725577869 is about 93410.8016719694. The cubic root of 8725577869 is about 2058.7237097726.

The spelling of 8725577869 in words is "eight billion, seven hundred twenty-five million, five hundred seventy-seven thousand, eight hundred sixty-nine".