7896006987 has 64 divisors (see below), whose sum is σ = 12100561920. Its totient is φ = 4536000000.

The previous prime is 7896006971. The next prime is 7896006991.

7896006987 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 7896006987 - 2⁴ = 7896006971 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7896006987.

It is not an unprimeable number, because it can be changed into a prime (7896006997) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14594937 + ... + 14595477.

It is an arithmetic number, because the mean of its divisors is an integer number (189071280).

Almost surely, 2^7896006987 is an apocalyptic number.

7896006987 is a deficient number, since it is larger than the sum of its proper divisors (4204554933).

7896006987 is a wasteful number, since it uses less digits than its factorization.

7896006987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 836.

The product of its (nonzero) digits is 9144576, while the sum is 60.

The square root of 7896006987 is about 88859.4788809838. The cubic root of 7896006987 is about 1991.2960915212.

The spelling of 7896006987 in words is "seven billion, eight hundred ninety-six million, six thousand, nine hundred eighty-seven".