67676288087 has 4 divisors (see below), whose sum is σ = 67731898416. Its totient is φ = 67620677760.

The previous prime is 67676288051. The next prime is 67676288101. The reversal of 67676288087 is 78088267676.

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 67676288087 - 2¹² = 67676283991 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 (67676288287) 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, 27803339 + ... + 27805772.

It is an arithmetic number, because the mean of its divisors is an integer number (16932974604).

Almost surely, 2^67676288087 is an apocalyptic number.

67676288087 is a deficient number, since it is larger than the sum of its proper divisors (55610329).

67676288087 is a wasteful number, since it uses less digits than its factorization.

67676288087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55610328.

The product of its (nonzero) digits is 75866112, while the sum is 65.

The spelling of 67676288087 in words is "sixty-seven billion, six hundred seventy-six million, two hundred eighty-eight thousand, eighty-seven".