820844054 has 8 divisors (see below), whose sum is σ = 1237646280. Its totient is φ = 408295296.

The previous prime is 820844051. The next prime is 820844113. The reversal of 820844054 is 450448028.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (820844051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1062884 + ... + 1063655.

It is an arithmetic number, because the mean of its divisors is an integer number (154705785).

Almost surely, 2^820844054 is an apocalyptic number.

820844054 is a deficient number, since it is larger than the sum of its proper divisors (416802226).

820844054 is a wasteful number, since it uses less digits than its factorization.

820844054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2126734.

The product of its (nonzero) digits is 40960, while the sum is 35.

The square root of 820844054 is about 28650.3761580891. The cubic root of 820844054 is about 936.3112010655.

The spelling of 820844054 in words is "eight hundred twenty million, eight hundred forty-four thousand, fifty-four".