84258099443 has 4 divisors (see below), whose sum is σ = 96294970800. Its totient is φ = 72221228088.

The previous prime is 84258099383. The next prime is 84258099461. The reversal of 84258099443 is 34499085248.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 84258099443 - 2³⁶ = 15538622707 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84258099643) 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 in 3 ways as a sum of consecutive naturals, for example, 6018435668 + ... + 6018435681.

It is an arithmetic number, because the mean of its divisors is an integer number (24073742700).

Almost surely, 2^84258099443 is an apocalyptic number.

84258099443 is a deficient number, since it is larger than the sum of its proper divisors (12036871357).

84258099443 is a wasteful number, since it uses less digits than its factorization.

84258099443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12036871356.

The product of its (nonzero) digits is 9953280, while the sum is 56.

The spelling of 84258099443 in words is "eighty-four billion, two hundred fifty-eight million, ninety-nine thousand, four hundred forty-three".