7936845820 has 24 divisors (see below), whose sum is σ = 17022003264. Its totient is φ = 3107190336.

The previous prime is 7936845799. The next prime is 7936845853. The reversal of 7936845820 is 285486397.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4220787 + ... + 4222666.

It is an arithmetic number, because the mean of its divisors is an integer number (709250136).

Almost surely, 2^7936845820 is an apocalyptic number.

It is an amenable number.

7936845820 is an abundant number, since it is smaller than the sum of its proper divisors (9085157444).

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

7936845820 is a wasteful number, since it uses less digits than its factorization.

7936845820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8443509 (or 8443507 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 52.

The square root of 7936845820 is about 89088.9769836875. The cubic root of 7936845820 is about 1994.7232418221.

The spelling of 7936845820 in words is "seven billion, nine hundred thirty-six million, eight hundred forty-five thousand, eight hundred twenty".