3081305977 has 8 divisors (see below), whose sum is σ = 3213496832. Its totient is φ = 2951164800.

The previous prime is 3081305971. The next prime is 3081305987. The reversal of 3081305977 is 7795031803.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3081305977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3081305971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 509349 + ... + 515362.

It is an arithmetic number, because the mean of its divisors is an integer number (401687104).

Almost surely, 2^3081305977 is an apocalyptic number.

It is an amenable number.

3081305977 is a deficient number, since it is larger than the sum of its proper divisors (132190855).

3081305977 is a wasteful number, since it uses less digits than its factorization.

3081305977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1024839.

The product of its (nonzero) digits is 158760, while the sum is 43.

The square root of 3081305977 is about 55509.5124911037. The cubic root of 3081305977 is about 1455.1628836358.

The spelling of 3081305977 in words is "three billion, eighty-one million, three hundred five thousand, nine hundred seventy-seven".