801788004 has 48 divisors (see below), whose sum is σ = 2169095040. Its totient is φ = 255641760.

The previous prime is 801788003. The next prime is 801788033. The reversal of 801788004 is 400887108.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 801788004.

It is not an unprimeable number, because it can be changed into a prime (801788003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 158907 + ... + 163874.

It is an arithmetic number, because the mean of its divisors is an integer number (45189480).

Almost surely, 2^801788004 is an apocalyptic number.

It is an amenable number.

801788004 is an abundant number, since it is smaller than the sum of its proper divisors (1367307036).

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

801788004 is a wasteful number, since it uses less digits than its factorization.

801788004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322817 (or 322809 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 36.

The square root of 801788004 is about 28315.8613501338. The cubic root of 801788004 is about 929.0088504029.

The spelling of 801788004 in words is "eight hundred one million, seven hundred eighty-eight thousand, four".