1000783376447 has 2 divisors, whose sum is σ = 1000783376448. Its totient is φ = 1000783376446.

The previous prime is 1000783376297. The next prime is 1000783376459. The reversal of 1000783376447 is 7446733870001.

1000783376447 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1000783376447 - 2²⁰ = 1000782327871 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1000783376395 and 1000783376404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000783376147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500391688223 + 500391688224.

It is an arithmetic number, because the mean of its divisors is an integer number (500391688224).

Almost surely, 2^{1000783376447} is an apocalyptic number.

1000783376447 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000783376447 is an equidigital number, since it uses as much as digits as its factorization.

1000783376447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2370816, while the sum is 50.

The spelling of 1000783376447 in words is "one trillion, seven hundred eighty-three million, three hundred seventy-six thousand, four hundred forty-seven".