85418877841 has 16 divisors (see below), whose sum is σ = 98729523648. Its totient is φ = 73038361600.

The previous prime is 85418877829. The next prime is 85418877889. The reversal of 85418877841 is 14877881458.

It is a cyclic number.

It is not a de Polignac number, because 85418877841 - 2⁹ = 85418877329 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 85418877841.

It is not an unprimeable number, because it can be changed into a prime (85418877821) 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 in 15 ways as a sum of consecutive naturals, for example, 143346 + ... + 437476.

It is an arithmetic number, because the mean of its divisors is an integer number (6170595228).

Almost surely, 2^85418877841 is an apocalyptic number.

It is an amenable number.

85418877841 is a deficient number, since it is larger than the sum of its proper divisors (13310645807).

85418877841 is a wasteful number, since it uses less digits than its factorization.

85418877841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295712.

The product of its digits is 16056320, while the sum is 61.

The spelling of 85418877841 in words is "eighty-five billion, four hundred eighteen million, eight hundred seventy-seven thousand, eight hundred forty-one".