801774920 has 64 divisors (see below), whose sum is σ = 1902700800. Its totient is φ = 303229440.

The previous prime is 801774913. The next prime is 801774929. The reversal of 801774920 is 29477108.

801774920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (801774929) 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, 650705 + ... + 651935.

It is an arithmetic number, because the mean of its divisors is an integer number (29729700).

Almost surely, 2^801774920 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 801774920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (951350400).

801774920 is an abundant number, since it is smaller than the sum of its proper divisors (1100925880).

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

801774920 is a wasteful number, since it uses less digits than its factorization.

801774920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2118 (or 2114 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 38.

The square root of 801774920 is about 28315.6303126030. The cubic root of 801774920 is about 929.0037970231.

The spelling of 801774920 in words is "eight hundred one million, seven hundred seventy-four thousand, nine hundred twenty".