22848528978 has 128 divisors (see below), whose sum is σ = 56389063680. Its totient is φ = 6856779600.

The previous prime is 22848528953. The next prime is 22848528991. The reversal of 22848528978 is 87982584822.

22848528978 is a `hidden beast` number, since 2 + 2 + 8 + 485 + 2 + 89 + 78 = 666.

It is a nialpdrome in base 11.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7689033 + ... + 7692003.

It is an arithmetic number, because the mean of its divisors is an integer number (440539560).

Almost surely, 2^22848528978 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22848528978, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28194531840).

22848528978 is an abundant number, since it is smaller than the sum of its proper divisors (33540534702).

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

22848528978 is a wasteful number, since it uses less digits than its factorization.

22848528978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3122 (or 3094 counting only the distinct ones).

The product of its digits is 41287680, while the sum is 63.

The spelling of 22848528978 in words is "twenty-two billion, eight hundred forty-eight million, five hundred twenty-eight thousand, nine hundred seventy-eight".