85874555650247 has 16 divisors (see below), whose sum is σ = 105695026420032. Its totient is φ = 67942604044800.

The previous prime is 85874555650231. The next prime is 85874555650319. The reversal of 85874555650247 is 74205655547858.

It is a cyclic number.

It is not a de Polignac number, because 85874555650247 - 2⁴ = 85874555650231 is a prime.

It is a super-2 number, since 2×85874555650247² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85874555650217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11613968 + ... + 17510949.

It is an arithmetic number, because the mean of its divisors is an integer number (6605939151252).

Almost surely, 2^{85874555650247} is an apocalyptic number.

85874555650247 is a deficient number, since it is larger than the sum of its proper divisors (19820470769785).

85874555650247 is a wasteful number, since it uses less digits than its factorization.

85874555650247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29157338.

The product of its (nonzero) digits is 1881600000, while the sum is 71.

The spelling of 85874555650247 in words is "eighty-five trillion, eight hundred seventy-four billion, five hundred fifty-five million, six hundred fifty thousand, two hundred forty-seven".