3105387077 has 32 divisors (see below), whose sum is σ = 3574821600. Its totient is φ = 2676989952.

The previous prime is 3105387073. The next prime is 3105387091. The reversal of 3105387077 is 7707835013.

It is a Cunningham number, because it is equal to 55726²+1.

It can be written as a sum of positive squares in 16 ways, for example, as 866772481 + 2238614596 = 29441^2 + 47314^2 .

It is not a de Polignac number, because 3105387077 - 2² = 3105387073 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3105387071) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1457549 + ... + 1459677.

It is an arithmetic number, because the mean of its divisors is an integer number (111713175).

Almost surely, 2^3105387077 is an apocalyptic number.

It is an amenable number.

3105387077 is a deficient number, since it is larger than the sum of its proper divisors (469434523).

3105387077 is a wasteful number, since it uses less digits than its factorization.

3105387077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2297.

The product of its (nonzero) digits is 123480, while the sum is 41.

The square root of 3105387077 is about 55726.0000089725. Note that the first 5 decimals coincide. The cubic root of 3105387077 is about 1458.9438594768.

The spelling of 3105387077 in words is "three billion, one hundred five million, three hundred eighty-seven thousand, seventy-seven".