1780034863 has 2 divisors, whose sum is σ = 1780034864. Its totient is φ = 1780034862.

The previous prime is 1780034857. The next prime is 1780034869. The reversal of 1780034863 is 3684300871.

It is a balanced prime because it is at equal distance from previous prime (1780034857) and next prime (1780034869).

It is a cyclic number.

It is not a de Polignac number, because 1780034863 - 2⁵ = 1780034831 is a prime.

It is a super-2 number, since 2×1780034863² = 6337048226990857538, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1780034869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 890017431 + 890017432.

It is an arithmetic number, because the mean of its divisors is an integer number (890017432).

Almost surely, 2^1780034863 is an apocalyptic number.

1780034863 is a deficient number, since it is larger than the sum of its proper divisors (1).

1780034863 is an equidigital number, since it uses as much as digits as its factorization.

1780034863 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 1780034863 is about 42190.4593836095. The cubic root of 1780034863 is about 1211.9261862467.

The spelling of 1780034863 in words is "one billion, seven hundred eighty million, thirty-four thousand, eight hundred sixty-three".