7846440446487 has 8 divisors (see below), whose sum is σ = 10461939997936. Its totient is φ = 5230950596352.

The previous prime is 7846440446479. The next prime is 7846440446497.

7846440446487 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 7846440446487 - 2³ = 7846440446479 is a prime.

It is a super-2 number, since 2×7846440446487² (a number of 27 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 (7846440446497) 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, 262618 + ... + 3970119.

It is an arithmetic number, because the mean of its divisors is an integer number (1307742499742).

Almost surely, 2^{7846440446487} is an apocalyptic number.

7846440446487 is a deficient number, since it is larger than the sum of its proper divisors (2615499551449).

7846440446487 is a wasteful number, since it uses less digits than its factorization.

7846440446487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4850657.

The product of its (nonzero) digits is 462422016, while the sum is 66.

The spelling of 7846440446487 in words is "seven trillion, eight hundred forty-six billion, four hundred forty million, four hundred forty-six thousand, four hundred eighty-seven".