28459344007 has 2 divisors, whose sum is σ = 28459344008. Its totient is φ = 28459344006.

The previous prime is 28459343989. The next prime is 28459344059. The reversal of 28459344007 is 70044395482.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28459344007 is a prime.

It is a super-2 number, since 2×28459344007² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28459344107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14229672003 + 14229672004.

It is an arithmetic number, because the mean of its divisors is an integer number (14229672004).

Almost surely, 2^28459344007 is an apocalyptic number.

28459344007 is a deficient number, since it is larger than the sum of its proper divisors (1).

28459344007 is an equidigital number, since it uses as much as digits as its factorization.

28459344007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 967680, while the sum is 46.

The spelling of 28459344007 in words is "twenty-eight billion, four hundred fifty-nine million, three hundred forty-four thousand, seven".