67799438908 has 24 divisors (see below), whose sum is σ = 120438439632. Its totient is φ = 33388612224.

The previous prime is 67799438897. The next prime is 67799438969. The reversal of 67799438908 is 80983499776.

It is a super-4 number, since 4×67799438908⁴ (a number of 44 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2192160 + ... + 2222872.

It is an arithmetic number, because the mean of its divisors is an integer number (5018268318).

Almost surely, 2^67799438908 is an apocalyptic number.

It is an amenable number.

67799438908 is a deficient number, since it is larger than the sum of its proper divisors (52639000724).

67799438908 is a wasteful number, since it uses less digits than its factorization.

67799438908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39021 (or 39019 counting only the distinct ones).

The product of its (nonzero) digits is 164602368, while the sum is 70.

The spelling of 67799438908 in words is "sixty-seven billion, seven hundred ninety-nine million, four hundred thirty-eight thousand, nine hundred eight".