8725668877 has 4 divisors (see below), whose sum is σ = 8726186560. Its totient is φ = 8725151196.

The previous prime is 8725668869. The next prime is 8725668901. The reversal of 8725668877 is 7788665278.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7788665278 = 2 ⋅3894332639.

It is a cyclic number.

It is not a de Polignac number, because 8725668877 - 2³ = 8725668869 is a prime.

It is a super-2 number, since 2×8725668877² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8725668827) 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, 232677 + ... + 267562.

It is an arithmetic number, because the mean of its divisors is an integer number (2181546640).

Almost surely, 2^8725668877 is an apocalyptic number.

It is an amenable number.

8725668877 is a deficient number, since it is larger than the sum of its proper divisors (517683).

8725668877 is a wasteful number, since it uses less digits than its factorization.

8725668877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517682.

The product of its digits is 63221760, while the sum is 64.

The square root of 8725668877 is about 93411.2888092226. The cubic root of 8725668877 is about 2058.7308672614.

The spelling of 8725668877 in words is "eight billion, seven hundred twenty-five million, six hundred sixty-eight thousand, eight hundred seventy-seven".