87677677678 has 16 divisors (see below), whose sum is σ = 132721563744. Its totient is φ = 43438813600.

The previous prime is 87677677649. The next prime is 87677677693.

87677677678 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 308173 + ... + 519928.

It is an arithmetic number, because the mean of its divisors is an integer number (8295097734).

Almost surely, 2^87677677678 is an apocalyptic number.

87677677678 is a deficient number, since it is larger than the sum of its proper divisors (45043886066).

87677677678 is a wasteful number, since it uses less digits than its factorization.

87677677678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 828587.

The product of its digits is 1626379776, while the sum is 76.

The spelling of 87677677678 in words is "eighty-seven billion, six hundred seventy-seven million, six hundred seventy-seven thousand, six hundred seventy-eight".