84621140556735 has 16 divisors (see below), whose sum is σ = 135395806003200. Its totient is φ = 45130614592800.

The previous prime is 84621140556727. The next prime is 84621140556781. The reversal of 84621140556735 is 53765504112648.

It is not a de Polignac number, because 84621140556735 - 2³ = 84621140556727 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40212991 + ... + 42264960.

It is an arithmetic number, because the mean of its divisors is an integer number (8462237875200).

Almost surely, 2^{84621140556735} is an apocalyptic number.

84621140556735 is a deficient number, since it is larger than the sum of its proper divisors (50774665446465).

84621140556735 is a wasteful number, since it uses less digits than its factorization.

84621140556735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82546358.

The product of its (nonzero) digits is 24192000, while the sum is 57.

The spelling of 84621140556735 in words is "eighty-four trillion, six hundred twenty-one billion, one hundred forty million, five hundred fifty-six thousand, seven hundred thirty-five".