8654428719 has 12 divisors (see below), whose sum is σ = 12963835976. Its totient is φ = 5769618984.

The previous prime is 8654428709. The next prime is 8654428771. The reversal of 8654428719 is 9178244568.

It is a happy number.

8654428719 is a `hidden beast` number, since 8 + 6 + 544 + 2 + 87 + 19 = 666.

It is not a de Polignac number, because 8654428719 - 2⁵ = 8654428687 is a prime.

It is a super-2 number, since 2×8654428719² (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 (8654428709) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17807224 + ... + 17807709.

Almost surely, 2^8654428719 is an apocalyptic number.

8654428719 is a deficient number, since it is larger than the sum of its proper divisors (4309407257).

8654428719 is an equidigital number, since it uses as much as digits as its factorization.

8654428719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35614948 (or 35614936 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 54.

The square root of 8654428719 is about 93029.1820828282. The cubic root of 8654428719 is about 2053.1127582682.

The spelling of 8654428719 in words is "eight billion, six hundred fifty-four million, four hundred twenty-eight thousand, seven hundred nineteen".