67238090828 has 6 divisors (see below), whose sum is σ = 117666658956. Its totient is φ = 33619045412.

The previous prime is 67238090797. The next prime is 67238090849. The reversal of 67238090828 is 82809083276.

It is a self number, because there is not a number n which added to its sum of digits gives 67238090828.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8404761350 + ... + 8404761357.

It is an arithmetic number, because the mean of its divisors is an integer number (19611109826).

Almost surely, 2^67238090828 is an apocalyptic number.

It is an amenable number.

67238090828 is a deficient number, since it is larger than the sum of its proper divisors (50428568128).

67238090828 is a wasteful number, since it uses less digits than its factorization.

67238090828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16809522711 (or 16809522709 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 53.

The spelling of 67238090828 in words is "sixty-seven billion, two hundred thirty-eight million, ninety thousand, eight hundred twenty-eight".