84280042284422 has 4 divisors (see below), whose sum is σ = 126420063426636. Its totient is φ = 42140021142210.

The previous prime is 84280042284421. The next prime is 84280042284563. The reversal of 84280042284422 is 22448224008248.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84280042284421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21070010571104 + ... + 21070010571107.

It is an arithmetic number, because the mean of its divisors is an integer number (31605015856659).

Almost surely, 2^{84280042284422} is an apocalyptic number.

84280042284422 is a deficient number, since it is larger than the sum of its proper divisors (42140021142214).

84280042284422 is a wasteful number, since it uses less digits than its factorization.

84280042284422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42140021142213.

The product of its (nonzero) digits is 4194304, while the sum is 50.

The spelling of 84280042284422 in words is "eighty-four trillion, two hundred eighty billion, forty-two million, two hundred eighty-four thousand, four hundred twenty-two".