67770925505 has 24 divisors (see below), whose sum is σ = 83557807488. Its totient is φ = 52766725536.

The previous prime is 67770925501. The next prime is 67770925511. The reversal of 67770925505 is 50552907776.

It is not a de Polignac number, because 67770925505 - 2² = 67770925501 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67770925501) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 2603384 + ... + 2629286.

It is an arithmetic number, because the mean of its divisors is an integer number (3481575312).

Almost surely, 2^67770925505 is an apocalyptic number.

It is an amenable number.

67770925505 is a deficient number, since it is larger than the sum of its proper divisors (15786881983).

67770925505 is a wasteful number, since it uses less digits than its factorization.

67770925505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26277 (or 26234 counting only the distinct ones).

The product of its (nonzero) digits is 4630500, while the sum is 53.

The spelling of 67770925505 in words is "sixty-seven billion, seven hundred seventy million, nine hundred twenty-five thousand, five hundred five".