7789892020 has 24 divisors (see below), whose sum is σ = 16456737024. Its totient is φ = 3097297056.

The previous prime is 7789891979. The next prime is 7789892041. The reversal of 7789892020 is 202989877.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1162812 + ... + 1169491.

It is an arithmetic number, because the mean of its divisors is an integer number (685697376).

Almost surely, 2^7789892020 is an apocalyptic number.

It is an amenable number.

7789892020 is an abundant number, since it is smaller than the sum of its proper divisors (8666845004).

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

7789892020 is a wasteful number, since it uses less digits than its factorization.

7789892020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2332479 (or 2332477 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 52.

The square root of 7789892020 is about 88260.3649437277. The cubic root of 7789892020 is about 1982.3354427068.

The spelling of 7789892020 in words is "seven billion, seven hundred eighty-nine million, eight hundred ninety-two thousand, twenty".