7850444820 has 48 divisors (see below), whose sum is σ = 22282370880. Its totient is φ = 2064773376.

The previous prime is 7850444753. The next prime is 7850444879. The reversal of 7850444820 is 284440587.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 891790 + ... + 900549.

It is an arithmetic number, because the mean of its divisors is an integer number (464216060).

Almost surely, 2^7850444820 is an apocalyptic number.

It is an amenable number.

7850444820 is an abundant number, since it is smaller than the sum of its proper divisors (14431926060).

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

7850444820 is a wasteful number, since it uses less digits than its factorization.

7850444820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1792424 (or 1792422 counting only the distinct ones).

The product of its (nonzero) digits is 286720, while the sum is 42.

The square root of 7850444820 is about 88602.7359622715. The cubic root of 7850444820 is about 1987.4585892246.

The spelling of 7850444820 in words is "seven billion, eight hundred fifty million, four hundred forty-four thousand, eight hundred twenty".