3178981485 has 80 divisors (see below), whose sum is σ = 6061809600. Its totient is φ = 1589289984.

The previous prime is 3178981483. The next prime is 3178981517. The reversal of 3178981485 is 5841898713.

3178981485 is a `hidden beast` number, since 3 + 1 + 7 + 89 + 81 + 485 = 666.

It is not a de Polignac number, because 3178981485 - 2¹ = 3178981483 is a prime.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3178981483) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 744286 + ... + 748544.

It is an arithmetic number, because the mean of its divisors is an integer number (75772620).

Almost surely, 2^3178981485 is an apocalyptic number.

It is an amenable number.

3178981485 is a deficient number, since it is larger than the sum of its proper divisors (2882828115).

3178981485 is a wasteful number, since it uses less digits than its factorization.

3178981485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4392 (or 4383 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 54.

The square root of 3178981485 is about 56382.4572451396. The cubic root of 3178981485 is about 1470.3791400220.

The spelling of 3178981485 in words is "three billion, one hundred seventy-eight million, nine hundred eighty-one thousand, four hundred eighty-five".