804975655 has 16 divisors (see below), whose sum is σ = 1054456704. Its totient is φ = 585064480.

The previous prime is 804975631. The next prime is 804975701. The reversal of 804975655 is 556579408.

It is not a de Polignac number, because 804975655 - 2¹⁹ = 804451367 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 804975599 and 804975608.

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, 106512 + ... + 113818.

It is an arithmetic number, because the mean of its divisors is an integer number (65903544).

Almost surely, 2^804975655 is an apocalyptic number.

804975655 is a deficient number, since it is larger than the sum of its proper divisors (249481049).

804975655 is a wasteful number, since it uses less digits than its factorization.

804975655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9326.

The product of its (nonzero) digits is 1512000, while the sum is 49.

The square root of 804975655 is about 28372.0928907263. The cubic root of 804975655 is about 930.2383691598.

The spelling of 804975655 in words is "eight hundred four million, nine hundred seventy-five thousand, six hundred fifty-five".