801858804 has 12 divisors (see below), whose sum is σ = 1871003904. Its totient is φ = 267286264.

The previous prime is 801858763. The next prime is 801858829. The reversal of 801858804 is 408858108.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33410772 + ... + 33410795.

It is an arithmetic number, because the mean of its divisors is an integer number (155916992).

Almost surely, 2^801858804 is an apocalyptic number.

It is an amenable number.

801858804 is an abundant number, since it is smaller than the sum of its proper divisors (1069145100).

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

801858804 is a wasteful number, since it uses less digits than its factorization.

801858804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66821574 (or 66821572 counting only the distinct ones).

The product of its (nonzero) digits is 81920, while the sum is 42.

The square root of 801858804 is about 28317.1115052365. Note that the first 3 decimals coincide. The cubic root of 801858804 is about 929.0361942437.

The spelling of 801858804 in words is "eight hundred one million, eight hundred fifty-eight thousand, eight hundred four".