840000088788 has 24 divisors (see below), whose sum is σ = 2240000236992. Its totient is φ = 240000025344.

The previous prime is 840000088783. The next prime is 840000088789. The reversal of 840000088788 is 887880000048.

It is a self number, because there is not a number n which added to its sum of digits gives 840000088788.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (840000088783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5000000445 + ... + 5000000612.

It is an arithmetic number, because the mean of its divisors is an integer number (93333343208).

Almost surely, 2^840000088788 is an apocalyptic number.

It is an amenable number.

840000088788 is an abundant number, since it is smaller than the sum of its proper divisors (1400000148204).

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

840000088788 is a wasteful number, since it uses less digits than its factorization.

840000088788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10000001071 (or 10000001069 counting only the distinct ones).

The product of its (nonzero) digits is 917504, while the sum is 51.

The spelling of 840000088788 in words is "eight hundred forty billion, eighty-eight thousand, seven hundred eighty-eight".