820048862 has 8 divisors (see below), whose sum is σ = 1232024592. Its totient is φ = 409374000.

The previous prime is 820048849. The next prime is 820048967. The reversal of 820048862 is 268840028.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 323639 + ... + 326162.

It is an arithmetic number, because the mean of its divisors is an integer number (154003074).

Almost surely, 2^820048862 is an apocalyptic number.

820048862 is a deficient number, since it is larger than the sum of its proper divisors (411975730).

820048862 is a wasteful number, since it uses less digits than its factorization.

820048862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650434.

The product of its (nonzero) digits is 49152, while the sum is 38.

The square root of 820048862 is about 28636.4952813713. The cubic root of 820048862 is about 936.0087531446.

The spelling of 820048862 in words is "eight hundred twenty million, forty-eight thousand, eight hundred sixty-two".