3487984855 has 16 divisors (see below), whose sum is σ = 4271240160. Its totient is φ = 2733447808.

The previous prime is 3487984813. The next prime is 3487984867. The reversal of 3487984855 is 5584897843.

It is a cyclic number.

It is not a de Polignac number, because 3487984855 - 2¹³ = 3487976663 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3487984793 and 3487984802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 164649 + ... + 184621.

It is an arithmetic number, because the mean of its divisors is an integer number (266952510).

Almost surely, 2^3487984855 is an apocalyptic number.

3487984855 is a deficient number, since it is larger than the sum of its proper divisors (783255305).

3487984855 is a wasteful number, since it uses less digits than its factorization.

3487984855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20690.

The product of its digits is 38707200, while the sum is 61.

The square root of 3487984855 is about 59059.1640221905. The cubic root of 3487984855 is about 1516.5551103930. Note that the first 3 decimals are identical.

The spelling of 3487984855 in words is "three billion, four hundred eighty-seven million, nine hundred eighty-four thousand, eight hundred fifty-five".