798855555 has 16 divisors (see below), whose sum is σ = 1278584064. Its totient is φ = 425917920.

The previous prime is 798855529. The next prime is 798855601. The reversal of 798855555 is 555558897.

It is a happy number.

It is not a de Polignac number, because 798855555 - 2¹³ = 798847363 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 798855495 and 798855504.

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, 53460 + ... + 66750.

It is an arithmetic number, because the mean of its divisors is an integer number (79911504).

Almost surely, 2^798855555 is an apocalyptic number.

798855555 is a deficient number, since it is larger than the sum of its proper divisors (479728509).

798855555 is a wasteful number, since it uses less digits than its factorization.

798855555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17306.

The product of its digits is 12600000, while the sum is 57.

The square root of 798855555 is about 28264.0328863381. The cubic root of 798855555 is about 927.8748852053.

The spelling of 798855555 in words is "seven hundred ninety-eight million, eight hundred fifty-five thousand, five hundred fifty-five".