818094859 has 4 divisors (see below), whose sum is σ = 866218104. Its totient is φ = 769971616.

The previous prime is 818094833. The next prime is 818094877. The reversal of 818094859 is 958490818.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 958490818 = 2 ⋅479245409.

It is not a de Polignac number, because 818094859 - 2¹¹ = 818092811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (818094899) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24061597 + ... + 24061630.

It is an arithmetic number, because the mean of its divisors is an integer number (216554526).

Almost surely, 2^818094859 is an apocalyptic number.

818094859 is a deficient number, since it is larger than the sum of its proper divisors (48123245).

818094859 is a wasteful number, since it uses less digits than its factorization.

818094859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48123244.

The product of its (nonzero) digits is 829440, while the sum is 52.

The square root of 818094859 is about 28602.3575776543. The cubic root of 818094859 is about 935.2647249122.

It can be divided in two parts, 81809 and 4859, that added together give a palindrome (86668).

The spelling of 818094859 in words is "eight hundred eighteen million, ninety-four thousand, eight hundred fifty-nine".