84334126390 has 32 divisors (see below), whose sum is σ = 157070695680. Its totient is φ = 32567875200.

The previous prime is 84334126339. The next prime is 84334126399. The reversal of 84334126390 is 9362143348.

It is a super-2 number, since 2×84334126390² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84334126399) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 192585 + ... + 453604.

It is an arithmetic number, because the mean of its divisors is an integer number (4908459240).

Almost surely, 2^84334126390 is an apocalyptic number.

84334126390 is a deficient number, since it is larger than the sum of its proper divisors (72736569290).

84334126390 is a wasteful number, since it uses less digits than its factorization.

84334126390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646648.

The product of its (nonzero) digits is 373248, while the sum is 43.

The spelling of 84334126390 in words is "eighty-four billion, three hundred thirty-four million, one hundred twenty-six thousand, three hundred ninety".