85458450365 has 8 divisors (see below), whose sum is σ = 102553448760. Its totient is φ = 68364554752.

The previous prime is 85458450359. The next prime is 85458450367. The reversal of 85458450365 is 56305485458.

It can be written as a sum of positive squares in 4 ways, for example, as 15478096921 + 69980353444 = 124411^2 + 264538^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 85458450365 - 2³⁴ = 68278581181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85458450367) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94364 + ... + 424053.

It is an arithmetic number, because the mean of its divisors is an integer number (12819181095).

Almost surely, 2^85458450365 is an apocalyptic number.

It is an amenable number.

85458450365 is a deficient number, since it is larger than the sum of its proper divisors (17094998395).

85458450365 is a wasteful number, since it uses less digits than its factorization.

85458450365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551391.

The product of its (nonzero) digits is 11520000, while the sum is 53.

The spelling of 85458450365 in words is "eighty-five billion, four hundred fifty-eight million, four hundred fifty thousand, three hundred sixty-five".