84356742422 has 16 divisors (see below), whose sum is σ = 128745365760. Its totient is φ = 41445916992.

The previous prime is 84356742403. The next prime is 84356742433. The reversal of 84356742422 is 22424765348.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1034678 + ... + 1113225.

It is an arithmetic number, because the mean of its divisors is an integer number (8046585360).

Almost surely, 2^84356742422 is an apocalyptic number.

84356742422 is a deficient number, since it is larger than the sum of its proper divisors (44388623338).

84356742422 is a wasteful number, since it uses less digits than its factorization.

84356742422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2148247.

The product of its digits is 2580480, while the sum is 47.

The spelling of 84356742422 in words is "eighty-four billion, three hundred fifty-six million, seven hundred forty-two thousand, four hundred twenty-two".