7848485477940 has 48 divisors (see below), whose sum is σ = 22004789530752. Its totient is φ = 2090164680576.

The previous prime is 7848485477923. The next prime is 7848485477941. The reversal of 7848485477940 is 497745848487.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7848485477941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86353584 + ... + 86444423.

It is an arithmetic number, because the mean of its divisors is an integer number (458433115224).

Almost surely, 2^{7848485477940} is an apocalyptic number.

It is an amenable number.

7848485477940 is an abundant number, since it is smaller than the sum of its proper divisors (14156304052812).

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

7848485477940 is a wasteful number, since it uses less digits than its factorization.

7848485477940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172798776 (or 172798774 counting only the distinct ones).

The product of its (nonzero) digits is 2023096320, while the sum is 75.

The spelling of 7848485477940 in words is "seven trillion, eight hundred forty-eight billion, four hundred eighty-five million, four hundred seventy-seven thousand, nine hundred forty".