7869660669687 has 8 divisors (see below), whose sum is σ = 10690859777904. Its totient is φ = 5147451003968.

The previous prime is 7869660669643. The next prime is 7869660669691.

7869660669687 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7869660669687 - 2⁶ = 7869660669623 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7869660669697) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24747360438 + ... + 24747360755.

It is an arithmetic number, because the mean of its divisors is an integer number (1336357472238).

Almost surely, 2^{7869660669687} is an apocalyptic number.

7869660669687 is a deficient number, since it is larger than the sum of its proper divisors (2821199108217).

7869660669687 is a wasteful number, since it uses less digits than its factorization.

7869660669687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49494721249.

The product of its (nonzero) digits is 11851370496, while the sum is 84.

The spelling of 7869660669687 in words is "seven trillion, eight hundred sixty-nine billion, six hundred sixty million, six hundred sixty-nine thousand, six hundred eighty-seven".