707138843 has 2 divisors, whose sum is σ = 707138844. Its totient is φ = 707138842.

The previous prime is 707138821. The next prime is 707138863. The reversal of 707138843 is 348831707.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 707138843 - 2¹⁶ = 707073307 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 707138843.

It is not a weakly prime, because it can be changed into another prime (707138863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 353569421 + 353569422.

It is an arithmetic number, because the mean of its divisors is an integer number (353569422).

Almost surely, 2^707138843 is an apocalyptic number.

707138843 is a deficient number, since it is larger than the sum of its proper divisors (1).

707138843 is an equidigital number, since it uses as much as digits as its factorization.

707138843 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112896, while the sum is 41.

The square root of 707138843 is about 26592.0823366656. The cubic root of 707138843 is about 890.9121830547.

The spelling of 707138843 in words is "seven hundred seven million, one hundred thirty-eight thousand, eight hundred forty-three".