84858043 has 2 divisors, whose sum is σ = 84858044. Its totient is φ = 84858042.

The previous prime is 84858019. The next prime is 84858061. The reversal of 84858043 is 34085848.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84858043 - 2²¹ = 82760891 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 84857987 and 84858005.

It is not a weakly prime, because it can be changed into another prime (84858073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42429021 + 42429022.

It is an arithmetic number, because the mean of its divisors is an integer number (42429022).

Almost surely, 2^84858043 is an apocalyptic number.

84858043 is a deficient number, since it is larger than the sum of its proper divisors (1).

84858043 is an equidigital number, since it uses as much as digits as its factorization.

84858043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 122880, while the sum is 40.

The square root of 84858043 is about 9211.8425409904. The cubic root of 84858043 is about 439.4380619064.

The spelling of 84858043 in words is "eighty-four million, eight hundred fifty-eight thousand, forty-three".