85418861746 has 4 divisors (see below), whose sum is σ = 128128292622. Its totient is φ = 42709430872.

The previous prime is 85418861713. The next prime is 85418861747. The reversal of 85418861746 is 64716881458.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 44599104225 + 40819757521 = 211185^2 + 202039^2 .

It is not an unprimeable number, because it can be changed into a prime (85418861747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21354715435 + ... + 21354715438.

Almost surely, 2^85418861746 is an apocalyptic number.

85418861746 is a deficient number, since it is larger than the sum of its proper divisors (42709430876).

85418861746 is a wasteful number, since it uses less digits than its factorization.

85418861746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42709430875.

The product of its digits is 10321920, while the sum is 58.

The spelling of 85418861746 in words is "eighty-five billion, four hundred eighteen million, eight hundred sixty-one thousand, seven hundred forty-six".