8784654879 has 48 divisors (see below), whose sum is σ = 16007241600. Its totient is φ = 4212411840.

The previous prime is 8784654871. The next prime is 8784654899. The reversal of 8784654879 is 9784564878.

It is a happy number.

8784654879 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8784654879 - 2³ = 8784654871 is a prime.

It is a super-2 number, since 2×8784654879² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8784654871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 187929 + ... + 229970.

It is an arithmetic number, because the mean of its divisors is an integer number (333484200).

Almost surely, 2^8784654879 is an apocalyptic number.

8784654879 is a deficient number, since it is larger than the sum of its proper divisors (7222586721).

8784654879 is a wasteful number, since it uses less digits than its factorization.

8784654879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417940 (or 417933 counting only the distinct ones).

The product of its digits is 108380160, while the sum is 66.

The square root of 8784654879 is about 93726.4897400943. The cubic root of 8784654879 is about 2063.3594976135.

Subtracting 8784654879 from its reverse (9784564878), we obtain a palindrome (999909999).

The spelling of 8784654879 in words is "eight billion, seven hundred eighty-four million, six hundred fifty-four thousand, eight hundred seventy-nine".