85454342818 has 32 divisors (see below), whose sum is σ = 140093775360. Its totient is φ = 38856317760.

The previous prime is 85454342773. The next prime is 85454342837. The reversal of 85454342818 is 81824345458.

It is a super-2 number, since 2×85454342818² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 901771 + ... + 992017.

It is an arithmetic number, because the mean of its divisors is an integer number (4377930480).

Almost surely, 2^85454342818 is an apocalyptic number.

85454342818 is a deficient number, since it is larger than the sum of its proper divisors (54639432542).

85454342818 is a wasteful number, since it uses less digits than its factorization.

85454342818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90802.

The product of its digits is 4915200, while the sum is 52.

The spelling of 85454342818 in words is "eighty-five billion, four hundred fifty-four million, three hundred forty-two thousand, eight hundred eighteen".