68670061077 has 8 divisors (see below), whose sum is σ = 91561487616. Its totient is φ = 45779337632.

The previous prime is 68670061073. The next prime is 68670061081. The reversal of 68670061077 is 77016007686.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (68670061073) and next prime (68670061081).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 68670061077 - 2² = 68670061073 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68670061073) 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 7 ways as a sum of consecutive naturals, for example, 126268 + ... + 391514.

It is an arithmetic number, because the mean of its divisors is an integer number (11445185952).

Almost surely, 2^68670061077 is an apocalyptic number.

It is an amenable number.

68670061077 is a deficient number, since it is larger than the sum of its proper divisors (22891426539).

68670061077 is a wasteful number, since it uses less digits than its factorization.

68670061077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351547.

The product of its (nonzero) digits is 592704, while the sum is 48.

The spelling of 68670061077 in words is "sixty-eight billion, six hundred seventy million, sixty-one thousand, seventy-seven".