67854628887 has 16 divisors (see below), whose sum is σ = 91629888000. Its totient is φ = 44658042624.

The previous prime is 67854628847. The next prime is 67854628889. The reversal of 67854628887 is 78882645876.

It is not a de Polignac number, because 67854628887 - 2¹⁵ = 67854596119 is a prime.

It is a super-2 number, since 2×67854628887² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67854628889) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2608039 + ... + 2633927.

It is an arithmetic number, because the mean of its divisors is an integer number (5726868000).

Almost surely, 2^67854628887 is an apocalyptic number.

67854628887 is a deficient number, since it is larger than the sum of its proper divisors (23775259113).

67854628887 is a wasteful number, since it uses less digits than its factorization.

67854628887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37030.

The product of its digits is 289013760, while the sum is 69.

The spelling of 67854628887 in words is "sixty-seven billion, eight hundred fifty-four million, six hundred twenty-eight thousand, eight hundred eighty-seven".