818055078 has 32 divisors (see below), whose sum is σ = 1647431136. Its totient is φ = 270805248.

The previous prime is 818055071. The next prime is 818055107. The reversal of 818055078 is 870550818.

It is a super-2 number, since 2×818055078² = 1338428221283172168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (818055071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1057900 + ... + 1058672.

It is an arithmetic number, because the mean of its divisors is an integer number (51482223).

Almost surely, 2^818055078 is an apocalyptic number.

818055078 is an abundant number, since it is smaller than the sum of its proper divisors (829376058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

818055078 is a wasteful number, since it uses less digits than its factorization.

818055078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1768.

The product of its (nonzero) digits is 89600, while the sum is 42.

The square root of 818055078 is about 28601.6621544972. The cubic root of 818055078 is about 935.2495651506.

The spelling of 818055078 in words is "eight hundred eighteen million, fifty-five thousand, seventy-eight".