7782361043 has 2 divisors, whose sum is σ = 7782361044. Its totient is φ = 7782361042.

The previous prime is 7782361019. The next prime is 7782361079. The reversal of 7782361043 is 3401632877.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7782361043 - 2²⁰ = 7781312467 is a prime.

It is a super-3 number, since 3×7782361043³ (a number of 31 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (7782361243) 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 as a sum of consecutive naturals, namely, 3891180521 + 3891180522.

It is an arithmetic number, because the mean of its divisors is an integer number (3891180522).

Almost surely, 2^7782361043 is an apocalyptic number.

7782361043 is a deficient number, since it is larger than the sum of its proper divisors (1).

7782361043 is an equidigital number, since it uses as much as digits as its factorization.

7782361043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 169344, while the sum is 41.

The square root of 7782361043 is about 88217.6912132708. The cubic root of 7782361043 is about 1981.6964207503.

The spelling of 7782361043 in words is "seven billion, seven hundred eighty-two million, three hundred sixty-one thousand, forty-three".