85072874284063 has 2 divisors, whose sum is σ = 85072874284064. Its totient is φ = 85072874284062.

The previous prime is 85072874284051. The next prime is 85072874284109. The reversal of 85072874284063 is 36048247827058.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85072874284063 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 85072874283986 and 85072874284004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85072874284963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42536437142031 + 42536437142032.

It is an arithmetic number, because the mean of its divisors is an integer number (42536437142032).

Almost surely, 2^{85072874284063} is an apocalyptic number.

85072874284063 is a deficient number, since it is larger than the sum of its proper divisors (1).

85072874284063 is an equidigital number, since it uses as much as digits as its factorization.

85072874284063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144506880, while the sum is 64.

The spelling of 85072874284063 in words is "eighty-five trillion, seventy-two billion, eight hundred seventy-four million, two hundred eighty-four thousand, sixty-three".