804995772 has 48 divisors (see below), whose sum is σ = 2181860352. Its totient is φ = 226226880.

The previous prime is 804995771. The next prime is 804995801. The reversal of 804995772 is 277599408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (804995771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73428 + ... + 83675.

It is an arithmetic number, because the mean of its divisors is an integer number (45455424).

Almost surely, 2^804995772 is an apocalyptic number.

It is an amenable number.

804995772 is an abundant number, since it is smaller than the sum of its proper divisors (1376864580).

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

804995772 is a wasteful number, since it uses less digits than its factorization.

804995772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157178 (or 157176 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 51.

The square root of 804995772 is about 28372.4474094146. The cubic root of 804995772 is about 930.2461182345.

The spelling of 804995772 in words is "eight hundred four million, nine hundred ninety-five thousand, seven hundred seventy-two".