67771203234 has 16 divisors (see below), whose sum is σ = 154905607488. Its totient is φ = 19363200912.

The previous prime is 67771203229. The next prime is 67771203259. The reversal of 67771203234 is 43230217776.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 1613600077 = 67771203234 / (6 + 7 + 7 + 7 + 1 + 2 + 0 + 3 + 2 + 3 + 4).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 806799997 + ... + 806800080.

It is an arithmetic number, because the mean of its divisors is an integer number (9681600468).

Almost surely, 2^67771203234 is an apocalyptic number.

67771203234 is an abundant number, since it is smaller than the sum of its proper divisors (87134404254).

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

67771203234 is a wasteful number, since it uses less digits than its factorization.

67771203234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1613600089.

The product of its (nonzero) digits is 296352, while the sum is 42.

The spelling of 67771203234 in words is "sixty-seven billion, seven hundred seventy-one million, two hundred three thousand, two hundred thirty-four".