22773827878312 has 64 divisors (see below), whose sum is σ = 50135837472000. Its totient is φ = 9493423036416.

The previous prime is 22773827878229. The next prime is 22773827878387. The reversal of 22773827878312 is 21387872837722.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4831989 + ... + 8300347.

It is an arithmetic number, because the mean of its divisors is an integer number (783372460500).

Almost surely, 2^{22773827878312} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22773827878312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25067918736000).

22773827878312 is an abundant number, since it is smaller than the sum of its proper divisors (27362009593688).

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

22773827878312 is a wasteful number, since it uses less digits than its factorization.

22773827878312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3471578 (or 3471574 counting only the distinct ones).

The product of its digits is 177020928, while the sum is 67.

The spelling of 22773827878312 in words is "twenty-two trillion, seven hundred seventy-three billion, eight hundred twenty-seven million, eight hundred seventy-eight thousand, three hundred twelve".