3081378760 has 32 divisors (see below), whose sum is σ = 7172177400. Its totient is φ = 1190049280.

The previous prime is 3081378689. The next prime is 3081378767. The reversal of 3081378760 is 678731803.

It can be written as a sum of positive squares in 4 ways, for example, as 2697140356 + 384238404 = 51934^2 + 19602^2 .

It is not an unprimeable number, because it can be changed into a prime (3081378767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1327021 + ... + 1329340.

Almost surely, 2^3081378760 is an apocalyptic number.

It is an amenable number.

3081378760 is an abundant number, since it is smaller than the sum of its proper divisors (4090798640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3081378760 is a wasteful number, since it uses less digits than its factorization.

3081378760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2656401 (or 2656397 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 43.

The square root of 3081378760 is about 55510.1680775694. The cubic root of 3081378760 is about 1455.1743409299.

The spelling of 3081378760 in words is "three billion, eighty-one million, three hundred seventy-eight thousand, seven hundred sixty".