84687903655 has 16 divisors (see below), whose sum is σ = 101908325664. Its totient is φ = 67562006400.

The previous prime is 84687903611. The next prime is 84687903659. The reversal of 84687903655 is 55630978648.

It is not a de Polignac number, because 84687903655 - 2⁹ = 84687903143 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 84687903593 and 84687903602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84687903659) 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, 2912569 + ... + 2941501.

It is an arithmetic number, because the mean of its divisors is an integer number (6369270354).

Almost surely, 2^84687903655 is an apocalyptic number.

84687903655 is a deficient number, since it is larger than the sum of its proper divisors (17220422009).

84687903655 is a wasteful number, since it uses less digits than its factorization.

84687903655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30546.

The product of its (nonzero) digits is 43545600, while the sum is 61.

The spelling of 84687903655 in words is "eighty-four billion, six hundred eighty-seven million, nine hundred three thousand, six hundred fifty-five".