84694180655 has 8 divisors (see below), whose sum is σ = 116152019232. Its totient is φ = 58076009568.

The previous prime is 84694180639. The next prime is 84694180667. The reversal of 84694180655 is 55608149648.

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

It is a cyclic number.

It is not a de Polignac number, because 84694180655 - 2⁴ = 84694180639 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 84694180655.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 1209916832 + ... + 1209916901.

It is an arithmetic number, because the mean of its divisors is an integer number (14519002404).

Almost surely, 2^84694180655 is an apocalyptic number.

84694180655 is a deficient number, since it is larger than the sum of its proper divisors (31457838577).

84694180655 is a wasteful number, since it uses less digits than its factorization.

84694180655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2419833745.

The product of its (nonzero) digits is 8294400, while the sum is 56.

The spelling of 84694180655 in words is "eighty-four billion, six hundred ninety-four million, one hundred eighty thousand, six hundred fifty-five".