28102423082067 has 36 divisors (see below), whose sum is σ = 43523042290840. Its totient is φ = 17919981729936.

The previous prime is 28102423082059. The next prime is 28102423082089. The reversal of 28102423082067 is 76028032420182.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

28102423082067 is a `hidden beast` number, since 2 + 8 + 10 + 2 + 423 + 0 + 8 + 206 + 7 = 666.

It is not a de Polignac number, because 28102423082067 - 2³ = 28102423082059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28102423092067) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 633528853 + ... + 633573209.

Almost surely, 2^{28102423082067} is an apocalyptic number.

28102423082067 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

28102423082067 is a deficient number, since it is larger than the sum of its proper divisors (15420619208773).

28102423082067 is an frugal number, since it uses more digits than its factorization.

28102423082067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88769 (or 44383 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 45.

The spelling of 28102423082067 in words is "twenty-eight trillion, one hundred two billion, four hundred twenty-three million, eighty-two thousand, sixty-seven".