804887988 has 24 divisors (see below), whose sum is σ = 1896669600. Its totient is φ = 265639200.

The previous prime is 804887977. The next prime is 804888067. The reversal of 804887988 is 889788408.

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, 330838 + ... + 333261.

It is an arithmetic number, because the mean of its divisors is an integer number (79027900).

Almost surely, 2^804887988 is an apocalyptic number.

It is an amenable number.

804887988 is an abundant number, since it is smaller than the sum of its proper divisors (1091781612).

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

804887988 is a wasteful number, since it uses less digits than its factorization.

804887988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664207 (or 664205 counting only the distinct ones).

The product of its (nonzero) digits is 8257536, while the sum is 60.

The square root of 804887988 is about 28370.5478974235. The cubic root of 804887988 is about 930.2045982968.

The spelling of 804887988 in words is "eight hundred four million, eight hundred eighty-seven thousand, nine hundred eighty-eight".