68927786780175 has 36 divisors (see below), whose sum is σ = 123460685454600. Its totient is φ = 36760485581760.

The previous prime is 68927786780129. The next prime is 68927786780261. The reversal of 68927786780175 is 57108768772986.

It is a Cunningham number, because it is equal to 8302276²-1.

It is not a de Polignac number, because 68927786780175 - 2¹⁶ = 68927786714639 is a prime.

It is a super-3 number, since 3×68927786780175³ (a number of 42 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 68927786780094 and 68927786780103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4151137 + ... + 12453413.

It is an arithmetic number, because the mean of its divisors is an integer number (3429463484850).

Almost surely, 2^{68927786780175} is an apocalyptic number.

68927786780175 is a deficient number, since it is larger than the sum of its proper divisors (54532898674425).

68927786780175 is a wasteful number, since it uses less digits than its factorization.

68927786780175 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8339192 (or 8339184 counting only the distinct ones).

The product of its (nonzero) digits is 3982970880, while the sum is 81.

The spelling of 68927786780175 in words is "sixty-eight trillion, nine hundred twenty-seven billion, seven hundred eighty-six million, seven hundred eighty thousand, one hundred seventy-five".