7845376735487 has 2 divisors, whose sum is σ = 7845376735488. Its totient is φ = 7845376735486.

The previous prime is 7845376735451. The next prime is 7845376735531.

7845376735487 is nontrivially palindromic in base 10.

It is a weak prime.

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 7845376735487 - 2³⁶ = 7776657258751 is a prime.

It is a super-2 number, since 2×7845376735487² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7845376735687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3922688367743 + 3922688367744.

It is an arithmetic number, because the mean of its divisors is an integer number (3922688367744).

Almost surely, 2^{7845376735487} is an apocalyptic number.

7845376735487 is a deficient number, since it is larger than the sum of its proper divisors (1).

7845376735487 is an equidigital number, since it uses as much as digits as its factorization.

7845376735487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3319142400, while the sum is 74.

The spelling of 7845376735487 in words is "seven trillion, eight hundred forty-five billion, three hundred seventy-six million, seven hundred thirty-five thousand, four hundred eighty-seven".