7852447542 has 16 divisors (see below), whose sum is σ = 15745904640. Its totient is φ = 2610647592.

The previous prime is 7852447541. The next prime is 7852447553. The reversal of 7852447542 is 2457442587.

It is a junction number, because it is equal to n+sod(n) for n = 7852447491 and 7852447500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7852447541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1706242 + ... + 1710837.

It is an arithmetic number, because the mean of its divisors is an integer number (984119040).

Almost surely, 2^7852447542 is an apocalyptic number.

7852447542 is an abundant number, since it is smaller than the sum of its proper divisors (7893457098).

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

7852447542 is a wasteful number, since it uses less digits than its factorization.

7852447542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3417467.

The product of its digits is 2508800, while the sum is 48.

The square root of 7852447542 is about 88614.0369354653. The cubic root of 7852447542 is about 1987.6275812884.

The spelling of 7852447542 in words is "seven billion, eight hundred fifty-two million, four hundred forty-seven thousand, five hundred forty-two".