84426739426 has 8 divisors (see below), whose sum is σ = 128423772864. Its totient is φ = 41618815140.

The previous prime is 84426739409. The next prime is 84426739477. The reversal of 84426739426 is 62493762448.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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, 297277110 + ... + 297277393.

It is an arithmetic number, because the mean of its divisors is an integer number (16052971608).

Almost surely, 2^84426739426 is an apocalyptic number.

84426739426 is a deficient number, since it is larger than the sum of its proper divisors (43997033438).

84426739426 is a wasteful number, since it uses less digits than its factorization.

84426739426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594554576.

The product of its digits is 13934592, while the sum is 55.

The spelling of 84426739426 in words is "eighty-four billion, four hundred twenty-six million, seven hundred thirty-nine thousand, four hundred twenty-six".