818069868 has 240 divisors, whose sum is σ = 2698257408. Its totient is φ = 211701600.

The previous prime is 818069839. The next prime is 818069873. The reversal of 818069868 is 868960818.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 3018573 + ... + 3018843.

Almost surely, 2^818069868 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 818069868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1349128704).

818069868 is an abundant number, since it is smaller than the sum of its proper divisors (1880187540).

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

818069868 is a wasteful number, since it uses less digits than its factorization.

818069868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327 (or 294 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 54.

The square root of 818069868 is about 28601.9207047359. The cubic root of 818069868 is about 935.2552013879.

The spelling of 818069868 in words is "eight hundred eighteen million, sixty-nine thousand, eight hundred sixty-eight".