7856047848 has 64 divisors (see below), whose sum is σ = 21646537920. Its totient is φ = 2356070400.

The previous prime is 7856047847. The next prime is 7856047853. The reversal of 7856047848 is 8487406587.

It is a happy number.

It is a super-2 number, since 2×7856047848² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7856047847) 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, 127783 + ... + 178998.

It is an arithmetic number, because the mean of its divisors is an integer number (338227155).

Almost surely, 2^7856047848 is an apocalyptic number.

It is an amenable number.

7856047848 is an abundant number, since it is smaller than the sum of its proper divisors (13790490072).

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

7856047848 is a wasteful number, since it uses less digits than its factorization.

7856047848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306898 (or 306894 counting only the distinct ones).

The product of its (nonzero) digits is 12042240, while the sum is 57.

The square root of 7856047848 is about 88634.3491429818. The cubic root of 7856047848 is about 1987.9313071469.

The spelling of 7856047848 in words is "seven billion, eight hundred fifty-six million, forty-seven thousand, eight hundred forty-eight".