890228813768 has 32 divisors (see below), whose sum is σ = 1907664556800. Its totient is φ = 381520357632.

The previous prime is 890228813741. The next prime is 890228813827. The reversal of 890228813768 is 867318822098.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 890228813768.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5297696 + ... + 5463152.

It is an arithmetic number, because the mean of its divisors is an integer number (59614517400).

Almost surely, 2^890228813768 is an apocalyptic number.

It is an amenable number.

890228813768 is an abundant number, since it is smaller than the sum of its proper divisors (1017435743032).

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

890228813768 is a wasteful number, since it uses less digits than its factorization.

890228813768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261549 (or 261545 counting only the distinct ones).

The product of its (nonzero) digits is 18579456, while the sum is 62.

The spelling of 890228813768 in words is "eight hundred ninety billion, two hundred twenty-eight million, eight hundred thirteen thousand, seven hundred sixty-eight".