67874383878 has 16 divisors (see below), whose sum is σ = 155141448960. Its totient is φ = 19392681096.

The previous prime is 67874383873. The next prime is 67874383879. The reversal of 67874383878 is 87838347876.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67874383873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 808028338 + ... + 808028421.

It is an arithmetic number, because the mean of its divisors is an integer number (9696340560).

Almost surely, 2^67874383878 is an apocalyptic number.

67874383878 is an abundant number, since it is smaller than the sum of its proper divisors (87267065082).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

67874383878 is a wasteful number, since it uses less digits than its factorization.

67874383878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1616056771.

The product of its digits is 303464448, while the sum is 69.

The spelling of 67874383878 in words is "sixty-seven billion, eight hundred seventy-four million, three hundred eighty-three thousand, eight hundred seventy-eight".