67077667725 has 24 divisors (see below), whose sum is σ = 114725945760. Its totient is φ = 34541142720.

The previous prime is 67077667721. The next prime is 67077667733. The reversal of 67077667725 is 52776677076.

It is not a de Polignac number, because 67077667725 - 2² = 67077667721 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67077667721) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 15417979 + ... + 15422328.

It is an arithmetic number, because the mean of its divisors is an integer number (4780247740).

Almost surely, 2^67077667725 is an apocalyptic number.

It is an amenable number.

67077667725 is a deficient number, since it is larger than the sum of its proper divisors (47648278035).

67077667725 is a wasteful number, since it uses less digits than its factorization.

67077667725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30840349 (or 30840344 counting only the distinct ones).

The product of its (nonzero) digits is 36303120, while the sum is 60.

The spelling of 67077667725 in words is "sixty-seven billion, seventy-seven million, six hundred sixty-seven thousand, seven hundred twenty-five".