19088827772 has 12 divisors (see below), whose sum is σ = 38177655600. Its totient is φ = 8180926176.

The previous prime is 19088827753. The next prime is 19088827777. The reversal of 19088827772 is 27772888091.

19088827772 is an admirable number.

It is a hoax number, since the sum of its digits (59) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19088827777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 340871897 + ... + 340871952.

It is an arithmetic number, because the mean of its divisors is an integer number (3181471300).

Almost surely, 2^19088827772 is an apocalyptic number.

It is an amenable number.

19088827772 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

19088827772 is a wasteful number, since it uses less digits than its factorization.

19088827772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681743860 (or 681743858 counting only the distinct ones).

The product of its (nonzero) digits is 6322176, while the sum is 59.

The spelling of 19088827772 in words is "nineteen billion, eighty-eight million, eight hundred twenty-seven thousand, seven hundred seventy-two".