7852231620 has 36 divisors (see below), whose sum is σ = 23818436460. Its totient is φ = 2093928384.

The previous prime is 7852231613. The next prime is 7852231633. The reversal of 7852231620 is 261322587.

7852231620 is a `hidden beast` number, since 7 + 8 + 5 + 2 + 23 + 1 + 620 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 985457664 + 6866773956 = 31392^2 + 82866^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21811575 + ... + 21811934.

It is an arithmetic number, because the mean of its divisors is an integer number (661623235).

Almost surely, 2^7852231620 is an apocalyptic number.

It is an amenable number.

7852231620 is an abundant number, since it is smaller than the sum of its proper divisors (15966204840).

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

7852231620 is a wasteful number, since it uses less digits than its factorization.

7852231620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43623524 (or 43623519 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 7852231620 is about 88612.8185986655. The cubic root of 7852231620 is about 1987.6093629153.

The spelling of 7852231620 in words is "seven billion, eight hundred fifty-two million, two hundred thirty-one thousand, six hundred twenty".