19822879608 has 64 divisors (see below), whose sum is σ = 57412680960. Its totient is φ = 5586091776.

The previous prime is 19822879561. The next prime is 19822879639. The reversal of 19822879608 is 80697822891.

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, 795910 + ... + 820437.

It is an arithmetic number, because the mean of its divisors is an integer number (897073140).

Almost surely, 2^19822879608 is an apocalyptic number.

It is an amenable number.

19822879608 is an abundant number, since it is smaller than the sum of its proper divisors (37589801352).

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

19822879608 is a wasteful number, since it uses less digits than its factorization.

19822879608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1616436 (or 1616432 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 60.

The spelling of 19822879608 in words is "nineteen billion, eight hundred twenty-two million, eight hundred seventy-nine thousand, six hundred eight".