804778552 has 32 divisors (see below), whose sum is σ = 1534946400. Its totient is φ = 395518464.

The previous prime is 804778547. The next prime is 804778561. The reversal of 804778552 is 255877408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109324 + ... + 116452.

It is an arithmetic number, because the mean of its divisors is an integer number (47967075).

Almost surely, 2^804778552 is an apocalyptic number.

It is an amenable number.

804778552 is a deficient number, since it is larger than the sum of its proper divisors (730167848).

804778552 is a wasteful number, since it uses less digits than its factorization.

804778552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7375 (or 7371 counting only the distinct ones).

The product of its (nonzero) digits is 627200, while the sum is 46.

The square root of 804778552 is about 28368.6191415797. The cubic root of 804778552 is about 930.1624381926.

The spelling of 804778552 in words is "eight hundred four million, seven hundred seventy-eight thousand, five hundred fifty-two".