7887678675 has 24 divisors (see below), whose sum is σ = 13175417136. Its totient is φ = 4163389440.

The previous prime is 7887678653. The next prime is 7887678679. The reversal of 7887678675 is 5768767887.

It is not a de Polignac number, because 7887678675 - 2³⁰ = 6813936851 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7887678679) 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 23 ways as a sum of consecutive naturals, for example, 534834 + ... + 549383.

It is an arithmetic number, because the mean of its divisors is an integer number (548975714).

Almost surely, 2^7887678675 is an apocalyptic number.

7887678675 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

7887678675 is a deficient number, since it is larger than the sum of its proper divisors (5287738461).

7887678675 is a wasteful number, since it uses less digits than its factorization.

7887678675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1084327 (or 1084322 counting only the distinct ones).

The product of its digits is 221276160, while the sum is 69.

The square root of 7887678675 is about 88812.6042575039. The cubic root of 7887678675 is about 1990.5957388288.

The spelling of 7887678675 in words is "seven billion, eight hundred eighty-seven million, six hundred seventy-eight thousand, six hundred seventy-five".