426488408072847 has 8 divisors (see below), whose sum is σ = 631834678626480. Its totient is φ = 284325605381880.

The previous prime is 426488408072843. The next prime is 426488408072849. The reversal of 426488408072847 is 748270804884624.

426488408072847 is a `hidden beast` number, since 4 + 2 + 6 + 488 + 4 + 0 + 80 + 7 + 28 + 47 = 666.

It is not a de Polignac number, because 426488408072847 - 2² = 426488408072843 is a prime.

It is a super-3 number, since 3×426488408072847³ (a number of 45 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 (426488408072843) 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, 7897933482804 + ... + 7897933482857.

It is an arithmetic number, because the mean of its divisors is an integer number (78979334828310).

Almost surely, 2^{426488408072847} is an apocalyptic number.

426488408072847 is a deficient number, since it is larger than the sum of its proper divisors (205346270553633).

426488408072847 is a wasteful number, since it uses less digits than its factorization.

426488408072847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15795866965670 (or 15795866965664 counting only the distinct ones).

The product of its (nonzero) digits is 1233125376, while the sum is 72.

The spelling of 426488408072847 in words is "four hundred twenty-six trillion, four hundred eighty-eight billion, four hundred eight million, seventy-two thousand, eight hundred forty-seven".