84686406626 has 8 divisors (see below), whose sum is σ = 128769741804. Its totient is φ = 41763159360.

The previous prime is 84686406583. The next prime is 84686406647. The reversal of 84686406626 is 62660468648.

It can be written as a sum of positive squares in 2 ways, for example, as 83813145025 + 873261601 = 289505^2 + 29551^2 .

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, 290021795 + ... + 290022086.

Almost surely, 2^84686406626 is an apocalyptic number.

84686406626 is a deficient number, since it is larger than the sum of its proper divisors (44083335178).

84686406626 is a wasteful number, since it uses less digits than its factorization.

84686406626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580043956.

The product of its (nonzero) digits is 15925248, while the sum is 56.

The spelling of 84686406626 in words is "eighty-four billion, six hundred eighty-six million, four hundred six thousand, six hundred twenty-six".