822976842 has 8 divisors (see below), whose sum is σ = 1645953696. Its totient is φ = 274325612.

The previous prime is 822976813. The next prime is 822976867. The reversal of 822976842 is 248679228.

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

822976842 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 822976791 and 822976800.

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, 68581398 + ... + 68581409.

It is an arithmetic number, because the mean of its divisors is an integer number (205744212).

Almost surely, 2^822976842 is an apocalyptic number.

822976842 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

822976842 is a wasteful number, since it uses less digits than its factorization.

822976842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137162812.

The product of its digits is 774144, while the sum is 48.

The square root of 822976842 is about 28687.5729541556. The cubic root of 822976842 is about 937.1214346392.

The spelling of 822976842 in words is "eight hundred twenty-two million, nine hundred seventy-six thousand, eight hundred forty-two".