7895488864 has 48 divisors (see below), whose sum is σ = 15889517280. Its totient is φ = 3860546560.

The previous prime is 7895488849. The next prime is 7895488889. The reversal of 7895488864 is 4688845987.

It is a self number, because there is not a number n which added to its sum of digits gives 7895488864.

It is a congruent number.

It is an unprimeable number.

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, 519972 + ... + 534940.

It is an arithmetic number, because the mean of its divisors is an integer number (331031610).

Almost surely, 2^7895488864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7895488864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7944758640).

7895488864 is an abundant number, since it is smaller than the sum of its proper divisors (7994028416).

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

7895488864 is a wasteful number, since it uses less digits than its factorization.

7895488864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15343 (or 15335 counting only the distinct ones).

The product of its digits is 123863040, while the sum is 67.

The square root of 7895488864 is about 88856.5634266822. The cubic root of 7895488864 is about 1991.2525353763.

The spelling of 7895488864 in words is "seven billion, eight hundred ninety-five million, four hundred eighty-eight thousand, eight hundred sixty-four".