21783332852092 has 48 divisors (see below), whose sum is σ = 44895937867200. Its totient is φ = 9243281208000.

The previous prime is 21783332852009. The next prime is 21783332852131. The reversal of 21783332852092 is 29025823338712.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 78460759 + ... + 78737902.

It is an arithmetic number, because the mean of its divisors is an integer number (935332038900).

Almost surely, 2^{21783332852092} is an apocalyptic number.

It is an amenable number.

21783332852092 is an abundant number, since it is smaller than the sum of its proper divisors (23112605015108).

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

21783332852092 is a wasteful number, since it uses less digits than its factorization.

21783332852092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157198787 (or 157198771 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 55.

The spelling of 21783332852092 in words is "twenty-one trillion, seven hundred eighty-three billion, three hundred thirty-two million, eight hundred fifty-two thousand, ninety-two".