7850808220 has 12 divisors (see below), whose sum is σ = 16486697304. Its totient is φ = 3140323280.

The previous prime is 7850808209. The next prime is 7850808263. The reversal of 7850808220 is 228080587.

It is a congruent number.

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, 196270186 + ... + 196270225.

It is an arithmetic number, because the mean of its divisors is an integer number (1373891442).

Almost surely, 2^7850808220 is an apocalyptic number.

It is an amenable number.

7850808220 is an abundant number, since it is smaller than the sum of its proper divisors (8635889084).

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

7850808220 is a wasteful number, since it uses less digits than its factorization.

7850808220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392540420 (or 392540418 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 40.

The square root of 7850808220 is about 88604.7866652812. The cubic root of 7850808220 is about 1987.4892554830.

The spelling of 7850808220 in words is "seven billion, eight hundred fifty million, eight hundred eight thousand, two hundred twenty".