1426085808782 has 8 divisors (see below), whose sum is σ = 2191302584352. Its totient is φ = 695651614000.

The previous prime is 1426085808781. The next prime is 1426085808811. The reversal of 1426085808782 is 2878085806241.

It is a happy number.

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

It is a super-3 number, since 3×1426085808782³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1426085808781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8695645094 + ... + 8695645257.

It is an arithmetic number, because the mean of its divisors is an integer number (273912823044).

Almost surely, 2^{1426085808782} is an apocalyptic number.

1426085808782 is a deficient number, since it is larger than the sum of its proper divisors (765216775570).

1426085808782 is a wasteful number, since it uses less digits than its factorization.

1426085808782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17391290394.

The product of its (nonzero) digits is 13762560, while the sum is 59.

The spelling of 1426085808782 in words is "one trillion, four hundred twenty-six billion, eighty-five million, eight hundred eight thousand, seven hundred eighty-two".