19296077988 has 96 divisors (see below), whose sum is σ = 52474544640. Its totient is φ = 5456816640.

The previous prime is 19296077981. The next prime is 19296077993. The reversal of 19296077988 is 88977069291.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is not an unprimeable number, because it can be changed into a prime (19296077981) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 110620 + ... + 225452.

It is an arithmetic number, because the mean of its divisors is an integer number (546609840).

Almost surely, 2^19296077988 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 19296077988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26237272320).

19296077988 is an abundant number, since it is smaller than the sum of its proper divisors (33178466652).

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

19296077988 is a wasteful number, since it uses less digits than its factorization.

19296077988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114937 (or 114935 counting only the distinct ones).

The product of its (nonzero) digits is 27433728, while the sum is 66.

The spelling of 19296077988 in words is "nineteen billion, two hundred ninety-six million, seventy-seven thousand, nine hundred eighty-eight".