8226464478457 has 4 divisors (see below), whose sum is σ = 8226470368656. Its totient is φ = 8226458588260.

The previous prime is 8226464478443. The next prime is 8226464478473. The reversal of 8226464478457 is 7548744646228.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 8226464478457 - 2¹¹ = 8226464476409 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8226464478392 and 8226464478401.

It is not an unprimeable number, because it can be changed into a prime (8226464476457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 469518 + ... + 4083304.

It is an arithmetic number, because the mean of its divisors is an integer number (2056617592164).

Almost surely, 2^{8226464478457} is an apocalyptic number.

It is an amenable number.

8226464478457 is a deficient number, since it is larger than the sum of its proper divisors (5890199).

8226464478457 is a wasteful number, since it uses less digits than its factorization.

8226464478457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5890198.

The product of its digits is 578027520, while the sum is 67.

The spelling of 8226464478457 in words is "eight trillion, two hundred twenty-six billion, four hundred sixty-four million, four hundred seventy-eight thousand, four hundred fifty-seven".