7845366635487 has 12 divisors (see below), whose sum is σ = 11339161359240. Its totient is φ = 5227029758448.

The previous prime is 7845366635461. The next prime is 7845366635501.

7845366635487 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 7845366635487 - 2¹⁸ = 7845366373343 is a prime.

It is a super-2 number, since 2×7845366635487² (a number of 27 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (72) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7845366630487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 267873312 + ... + 267902597.

It is an arithmetic number, because the mean of its divisors is an integer number (944930113270).

Almost surely, 2^{7845366635487} is an apocalyptic number.

7845366635487 is a deficient number, since it is larger than the sum of its proper divisors (3493794723753).

7845366635487 is a wasteful number, since it uses less digits than its factorization.

7845366635487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535777542 (or 535777539 counting only the distinct ones).

The product of its digits is 2438553600, while the sum is 72.

The spelling of 7845366635487 in words is "seven trillion, eight hundred forty-five billion, three hundred sixty-six million, six hundred thirty-five thousand, four hundred eighty-seven".