12345465879 has 20 divisors (see below), whose sum is σ = 18500950336. Its totient is φ = 8203998816.

The previous prime is 12345465833. The next prime is 12345465919. The reversal of 12345465879 is 97856454321.

It is a happy number.

12345465879 is a `hidden beast` number, since 1 + 2 + 3 + 4 + 54 + 6 + 587 + 9 = 666.

It is not a de Polignac number, because 12345465879 - 2¹² = 12345461783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12345460879) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 218119 + ... + 268824.

Almost surely, 2^12345465879 is an apocalyptic number.

12345465879 is a deficient number, since it is larger than the sum of its proper divisors (6155484457).

12345465879 is an equidigital number, since it uses as much as digits as its factorization.

12345465879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487268 (or 487259 counting only the distinct ones).

The product of its digits is 7257600, while the sum is 54.

The spelling of 12345465879 in words is "twelve billion, three hundred forty-five million, four hundred sixty-five thousand, eight hundred seventy-nine".