67677931234678 has 16 divisors (see below), whose sum is σ = 101760964560000. Its totient is φ = 33757686505152.

The previous prime is 67677931234673. The next prime is 67677931234709. The reversal of 67677931234678 is 87643213977676.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67677931234673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17433798 + ... + 20959321.

It is an arithmetic number, because the mean of its divisors is an integer number (6360060285000).

Almost surely, 2^{67677931234678} is an apocalyptic number.

67677931234678 is a deficient number, since it is larger than the sum of its proper divisors (34083033325322).

67677931234678 is a wasteful number, since it uses less digits than its factorization.

67677931234678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38395239.

The product of its digits is 2688505344, while the sum is 76.

The spelling of 67677931234678 in words is "sixty-seven trillion, six hundred seventy-seven billion, nine hundred thirty-one million, two hundred thirty-four thousand, six hundred seventy-eight".