818077917888 has 1792 divisors, whose sum is σ = 3319930368000. Its totient is φ = 196709990400.

The previous prime is 818077917887. The next prime is 818077917893. The reversal of 818077917888 is 888719770818.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is not an unprimeable number, because it can be changed into a prime (818077917887) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 13411113378 + ... + 13411113438.

Almost surely, 2^818077917888 is an apocalyptic number.

818077917888 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 818077917888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1659965184000).

818077917888 is an abundant number, since it is smaller than the sum of its proper divisors (2501852450112).

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

818077917888 is a wasteful number, since it uses less digits than its factorization.

818077917888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153 (or 101 counting only the distinct ones).

The product of its (nonzero) digits is 101154816, while the sum is 72.

The spelling of 818077917888 in words is "eight hundred eighteen billion, seventy-seven million, nine hundred seventeen thousand, eight hundred eighty-eight".