85454342855 has 32 divisors (see below), whose sum is σ = 121845534720. Its totient is φ = 56298965760.

The previous prime is 85454342849. The next prime is 85454342861. The reversal of 85454342855 is 55824345458.

It is an interprime number because it is at equal distance from previous prime (85454342849) and next prime (85454342861).

It is not a de Polignac number, because 85454342855 - 2⁴ = 85454342839 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 85454342797 and 85454342806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 132494 + ... + 434123.

It is an arithmetic number, because the mean of its divisors is an integer number (3807672960).

Almost surely, 2^85454342855 is an apocalyptic number.

85454342855 is a deficient number, since it is larger than the sum of its proper divisors (36391191865).

85454342855 is a wasteful number, since it uses less digits than its factorization.

85454342855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566799.

The product of its digits is 15360000, while the sum is 53.

The spelling of 85454342855 in words is "eighty-five billion, four hundred fifty-four million, three hundred forty-two thousand, eight hundred fifty-five".