804771996552 has 96 divisors (see below), whose sum is σ = 2183327055000. Its totient is φ = 267797882880.

The previous prime is 804771996503. The next prime is 804771996557. The reversal of 804771996552 is 255699177408.

804771996552 is a `hidden beast` number, since 8 + 0 + 4 + 7 + 71 + 9 + 9 + 6 + 552 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 693046260036 + 111725736516 = 832494^2 + 334254^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 804771996552.

It is not an unprimeable number, because it can be changed into a prime (804771996557) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 176909574 + ... + 176914122.

Almost surely, 2^804771996552 is an apocalyptic number.

It is an amenable number.

804771996552 is an abundant number, since it is smaller than the sum of its proper divisors (1378555058448).

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

804771996552 is a wasteful number, since it uses less digits than its factorization.

804771996552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8231 (or 8224 counting only the distinct ones).

The product of its (nonzero) digits is 38102400, while the sum is 63.

The spelling of 804771996552 in words is "eight hundred four billion, seven hundred seventy-one million, nine hundred ninety-six thousand, five hundred fifty-two".