7987105696903 has 4 divisors (see below), whose sum is σ = 7987799093760. Its totient is φ = 7986412300048.

The previous prime is 7987105696873. The next prime is 7987105696949. The reversal of 7987105696903 is 3096965017897.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7987105696903 - 2⁹ = 7987105696391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7987105696963) 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, 346681150 + ... + 346704187.

It is an arithmetic number, because the mean of its divisors is an integer number (1996949773440).

Almost surely, 2^{7987105696903} is an apocalyptic number.

7987105696903 is a deficient number, since it is larger than the sum of its proper divisors (693396857).

7987105696903 is a wasteful number, since it uses less digits than its factorization.

7987105696903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693396856.

The product of its (nonzero) digits is 154314720, while the sum is 70.

The spelling of 7987105696903 in words is "seven trillion, nine hundred eighty-seven billion, one hundred five million, six hundred ninety-six thousand, nine hundred three".