7865071448 has 16 divisors (see below), whose sum is σ = 15881394480. Its totient is φ = 3630032928.

The previous prime is 7865071447. The next prime is 7865071457. The reversal of 7865071448 is 8441705687.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 7865071396 and 7865071405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7865071441) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 37812740 + ... + 37812947.

It is an arithmetic number, because the mean of its divisors is an integer number (992587155).

Almost surely, 2^7865071448 is an apocalyptic number.

It is an amenable number.

7865071448 is an abundant number, since it is smaller than the sum of its proper divisors (8016323032).

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

7865071448 is a wasteful number, since it uses less digits than its factorization.

7865071448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75625706 (or 75625702 counting only the distinct ones).

The product of its (nonzero) digits is 1505280, while the sum is 50.

The square root of 7865071448 is about 88685.2380500836. The cubic root of 7865071448 is about 1988.6921406510.

The spelling of 7865071448 in words is "seven billion, eight hundred sixty-five million, seventy-one thousand, four hundred forty-eight".