28479855067 has 2 divisors, whose sum is σ = 28479855068. Its totient is φ = 28479855066.

The previous prime is 28479855059. The next prime is 28479855097. The reversal of 28479855067 is 76055897482.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28479855067 - 2³ = 28479855059 is a prime.

It is a super-4 number, since 4×28479855067⁴ (a number of 43 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 28479854996 and 28479855014.

It is not a weakly prime, because it can be changed into another prime (28479855017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14239927533 + 14239927534.

It is an arithmetic number, because the mean of its divisors is an integer number (14239927534).

Almost surely, 2^28479855067 is an apocalyptic number.

28479855067 is a deficient number, since it is larger than the sum of its proper divisors (1).

28479855067 is an equidigital number, since it uses as much as digits as its factorization.

28479855067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 33868800, while the sum is 61.

The spelling of 28479855067 in words is "twenty-eight billion, four hundred seventy-nine million, eight hundred fifty-five thousand, sixty-seven".