87676543432 has 16 divisors (see below), whose sum is σ = 164416711500. Its totient is φ = 43832087040.

The previous prime is 87676543399. The next prime is 87676543441. The reversal of 87676543432 is 23434567678.

It is a happy number.

87676543432 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It can be written as a sum of positive squares in 2 ways, for example, as 74827414116 + 12849129316 = 273546^2 + 113354^2 .

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is an upside-down number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 712557 + ... + 826492.

Almost surely, 2^87676543432 is an apocalyptic number.

It is an amenable number.

87676543432 is a deficient number, since it is larger than the sum of its proper divisors (76740168068).

87676543432 is a wasteful number, since it uses less digits than its factorization.

87676543432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1546176 (or 1546172 counting only the distinct ones).

The product of its digits is 20321280, while the sum is 55.

The spelling of 87676543432 in words is "eighty-seven billion, six hundred seventy-six million, five hundred forty-three thousand, four hundred thirty-two".