4778924211028 has 192 divisors, whose sum is σ = 9938325196800. Its totient is φ = 1986610728960.

The previous prime is 4778924211023. The next prime is 4778924211031. The reversal of 4778924211028 is 8201124298774.

It is a super-2 number, since 2×4778924211028² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4778924211028.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4778924211023) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1193833675 + ... + 1193837677.

It is an arithmetic number, because the mean of its divisors is an integer number (51762110400).

Almost surely, 2^{4778924211028} is an apocalyptic number.

It is an amenable number.

4778924211028 is an abundant number, since it is smaller than the sum of its proper divisors (5159400985772).

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

4778924211028 is a wasteful number, since it uses less digits than its factorization.

4778924211028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4430 (or 4428 counting only the distinct ones).

The product of its (nonzero) digits is 3612672, while the sum is 55.

The spelling of 4778924211028 in words is "four trillion, seven hundred seventy-eight billion, nine hundred twenty-four million, two hundred eleven thousand, twenty-eight".