84719043 has 12 divisors (see below), whose sum is σ = 128812840. Its totient is φ = 53506656.

The previous prime is 84719039. The next prime is 84719053. The reversal of 84719043 is 34091748.

It is a happy number.

It is not a de Polignac number, because 84719043 - 2² = 84719039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 84718989 and 84719007.

It is not an unprimeable number, because it can be changed into a prime (84719023) 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 in 11 ways as a sum of consecutive naturals, for example, 247546 + ... + 247887.

Almost surely, 2^84719043 is an apocalyptic number.

84719043 is a deficient number, since it is larger than the sum of its proper divisors (44093797).

84719043 is a wasteful number, since it uses less digits than its factorization.

84719043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495458 (or 495455 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 84719043 is about 9204.2948127491. The cubic root of 84719043 is about 439.1979932374.

The spelling of 84719043 in words is "eighty-four million, seven hundred nineteen thousand, forty-three".