28546268671 has 2 divisors, whose sum is σ = 28546268672. Its totient is φ = 28546268670.

The previous prime is 28546268651. The next prime is 28546268683. The reversal of 28546268671 is 17686264582.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28546268671 - 2²¹ = 28544171519 is a prime.

It is a super-2 number, since 2×28546268671² (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 (28546268651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14273134335 + 14273134336.

It is an arithmetic number, because the mean of its divisors is an integer number (14273134336).

Almost surely, 2^28546268671 is an apocalyptic number.

28546268671 is a deficient number, since it is larger than the sum of its proper divisors (1).

28546268671 is an equidigital number, since it uses as much as digits as its factorization.

28546268671 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7741440, while the sum is 55.

The spelling of 28546268671 in words is "twenty-eight billion, five hundred forty-six million, two hundred sixty-eight thousand, six hundred seventy-one".