801728420088 has 16 divisors (see below), whose sum is σ = 2004321050280. Its totient is φ = 267242806688.

The previous prime is 801728420047. The next prime is 801728420099. The reversal of 801728420088 is 880024827108.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16702675395 + ... + 16702675442.

Almost surely, 2^801728420088 is an apocalyptic number.

It is an amenable number.

801728420088 is an abundant number, since it is smaller than the sum of its proper divisors (1202592630192).

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

801728420088 is a wasteful number, since it uses less digits than its factorization.

801728420088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33405350846 (or 33405350842 counting only the distinct ones).

The product of its (nonzero) digits is 458752, while the sum is 48.

The spelling of 801728420088 in words is "eight hundred one billion, seven hundred twenty-eight million, four hundred twenty thousand, eighty-eight".