68389774867677 has 8 divisors (see below), whose sum is σ = 93650862882016. Its totient is φ = 44360935049232.

The previous prime is 68389774867657. The next prime is 68389774867699. The reversal of 68389774867677 is 77676847798386.

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

It is not a de Polignac number, because 68389774867677 - 2¹⁸ = 68389774605533 is a prime.

It is a super-2 number, since 2×68389774867677² (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 (68389774867657) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 308062048843 + ... + 308062049064.

It is an arithmetic number, because the mean of its divisors is an integer number (11706357860252).

Almost surely, 2^{68389774867677} is an apocalyptic number.

It is an amenable number.

68389774867677 is a deficient number, since it is larger than the sum of its proper divisors (25261088014339).

68389774867677 is a wasteful number, since it uses less digits than its factorization.

68389774867677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616124097947.

The product of its digits is 200741732352, while the sum is 93.

The spelling of 68389774867677 in words is "sixty-eight trillion, three hundred eighty-nine billion, seven hundred seventy-four million, eight hundred sixty-seven thousand, six hundred seventy-seven".