34785416782471 has 2 divisors, whose sum is σ = 34785416782472. Its totient is φ = 34785416782470.

The previous prime is 34785416782447. The next prime is 34785416782549. The reversal of 34785416782471 is 17428761458743.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 34785416782471 - 2¹¹ = 34785416780423 is a prime.

It is a super-3 number, since 3×34785416782471³ (a number of 42 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 34785416782397 and 34785416782406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34785416782771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17392708391235 + 17392708391236.

It is an arithmetic number, because the mean of its divisors is an integer number (17392708391236).

Almost surely, 2^{34785416782471} is an apocalyptic number.

34785416782471 is a deficient number, since it is larger than the sum of its proper divisors (1).

34785416782471 is an equidigital number, since it uses as much as digits as its factorization.

34785416782471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 252887040, while the sum is 67.

The spelling of 34785416782471 in words is "thirty-four trillion, seven hundred eighty-five billion, four hundred sixteen million, seven hundred eighty-two thousand, four hundred seventy-one".