68997184790077 has 8 divisors (see below), whose sum is σ = 69954314363136. Its totient is φ = 68045838477792.

The previous prime is 68997184790063. The next prime is 68997184790101. The reversal of 68997184790077 is 77009748179986.

68997184790077 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 68997184790077 - 2²⁷ = 68997050572349 is a prime.

It is a super-2 number, since 2×68997184790077² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68997184790057) 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, 1445791168 + ... + 1445838889.

It is an arithmetic number, because the mean of its divisors is an integer number (8744289295392).

Almost surely, 2^{68997184790077} is an apocalyptic number.

It is an amenable number.

68997184790077 is a deficient number, since it is larger than the sum of its proper divisors (957129573059).

68997184790077 is a wasteful number, since it uses less digits than its factorization.

68997184790077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2891630387.

The product of its (nonzero) digits is 2688505344, while the sum is 82.

The spelling of 68997184790077 in words is "sixty-eight trillion, nine hundred ninety-seven billion, one hundred eighty-four million, seven hundred ninety thousand, seventy-seven".