219798508088 has 8 divisors (see below), whose sum is σ = 412122202680. Its totient is φ = 109899254040.

The previous prime is 219798508067. The next prime is 219798508093. The reversal of 219798508088 is 880805897912.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×219798508088² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13737406748 + ... + 13737406763.

It is an arithmetic number, because the mean of its divisors is an integer number (51515275335).

Almost surely, 2^219798508088 is an apocalyptic number.

It is an amenable number.

219798508088 is a deficient number, since it is larger than the sum of its proper divisors (192323694592).

219798508088 is a wasteful number, since it uses less digits than its factorization.

219798508088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27474813517 (or 27474813513 counting only the distinct ones).

The product of its (nonzero) digits is 23224320, while the sum is 65.

The spelling of 219798508088 in words is "two hundred nineteen billion, seven hundred ninety-eight million, five hundred eight thousand, eighty-eight".