870424043 has 2 divisors, whose sum is σ = 870424044. Its totient is φ = 870424042.

The previous prime is 870424033. The next prime is 870424099. The reversal of 870424043 is 340424078.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 870424043 - 2⁶ = 870423979 is a prime.

It is not a weakly prime, because it can be changed into another prime (870424033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 435212021 + 435212022.

It is an arithmetic number, because the mean of its divisors is an integer number (435212022).

Almost surely, 2^870424043 is an apocalyptic number.

870424043 is a deficient number, since it is larger than the sum of its proper divisors (1).

870424043 is an equidigital number, since it uses as much as digits as its factorization.

870424043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21504, while the sum is 32.

The square root of 870424043 is about 29502.9497338825. The cubic root of 870424043 is about 954.7953447956.

The spelling of 870424043 in words is "eight hundred seventy million, four hundred twenty-four thousand, forty-three".