10780643 has 2 divisors, whose sum is σ = 10780644. Its totient is φ = 10780642.

The previous prime is 10780631. The next prime is 10780661. The reversal of 10780643 is 34608701.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10780643 - 2⁸ = 10780387 is a prime.

It is equal to p₇₁₂₉₇₃ and since 10780643 and 712973 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (10780673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5390321 + 5390322.

It is an arithmetic number, because the mean of its divisors is an integer number (5390322).

Almost surely, 2^10780643 is an apocalyptic number.

10780643 is a deficient number, since it is larger than the sum of its proper divisors (1).

10780643 is an equidigital number, since it uses as much as digits as its factorization.

10780643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 10780643 is about 3283.3889504596. The cubic root of 10780643 is about 220.9097520581.

The spelling of 10780643 in words is "ten million, seven hundred eighty thousand, six hundred forty-three".