87699688699678 has 64 divisors (see below), whose sum is σ = 144111938745600. Its totient is φ = 39696323443200.

The previous prime is 87699688699663. The next prime is 87699688699703.

87699688699678 is nontrivially palindromic in base 10.

87699688699678 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12711938673 + ... + 12711945571.

It is an arithmetic number, because the mean of its divisors is an integer number (2251749042900).

Almost surely, 2^{87699688699678} is an apocalyptic number.

87699688699678 is a deficient number, since it is larger than the sum of its proper divisors (56412250045922).

87699688699678 is a wasteful number, since it uses less digits than its factorization.

87699688699678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9673.

The product of its digits is 1706597351424, while the sum is 106.

The spelling of 87699688699678 in words is "eighty-seven trillion, six hundred ninety-nine billion, six hundred eighty-eight million, six hundred ninety-nine thousand, six hundred seventy-eight".