28284209373967 has 2 divisors, whose sum is σ = 28284209373968. Its totient is φ = 28284209373966.

The previous prime is 28284209373947. The next prime is 28284209374013. The reversal of 28284209373967 is 76937390248282.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28284209373967 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28284209373896 and 28284209373905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28284209373907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14142104686983 + 14142104686984.

It is an arithmetic number, because the mean of its divisors is an integer number (14142104686984).

Almost surely, 2^{28284209373967} is an apocalyptic number.

28284209373967 is a deficient number, since it is larger than the sum of its proper divisors (1).

28284209373967 is an equidigital number, since it uses as much as digits as its factorization.

28284209373967 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 438939648, while the sum is 70.

The spelling of 28284209373967 in words is "twenty-eight trillion, two hundred eighty-four billion, two hundred nine million, three hundred seventy-three thousand, nine hundred sixty-seven".