8022778992 has 60 divisors (see below), whose sum is σ = 23773389120. Its totient is φ = 2516949504.

The previous prime is 8022778963. The next prime is 8022779003. The reversal of 8022778992 is 2998772208.

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 11 ways as a sum of consecutive naturals, for example, 1636192 + ... + 1641087.

It is an arithmetic number, because the mean of its divisors is an integer number (396223152).

Almost surely, 2^8022778992 is an apocalyptic number.

It is an amenable number.

8022778992 is an abundant number, since it is smaller than the sum of its proper divisors (15750610128).

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

8022778992 is a wasteful number, since it uses less digits than its factorization.

8022778992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3277310 (or 3277301 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 54.

The square root of 8022778992 is about 89569.9670202016. The cubic root of 8022778992 is about 2001.8964505027.

The spelling of 8022778992 in words is "eight billion, twenty-two million, seven hundred seventy-eight thousand, nine hundred ninety-two".